Tuesday

January 17, 2017
Number of results: 147,363

**maths quartic equation need help**

the quartic equation x^4+2x^3+14x+15=0 has equal root of 1+2i find the other three root help me show step plz

*September 26, 2016 by philip*

**Math**

A quartic graph has the following coordinates: (-4,0),(-2,0),(0,0),(1,0) find the equation in expanded form.

*December 8, 2013 by Anonymous*

**Math-Quartic Equation**

Reduce this equation using the quadratic formula, factoring, or other algebraic method to determine the other zeros of the function. F(x)= 4x^4 - x^3 - 11x^2 -2x +6

*October 28, 2012 by Ash*

**Math**

write the particular equation of a quartic function that could, according to Descartes Rule of Signs have four positive zeros.

*April 9, 2012 by Emily*

**math**

write the particular equation of a quartic function that could, according to Descartes Rule of Signs have four positive zeros.

*April 21, 2012 by Mark*

**Calculus**

Find the equation of a quartic polynomial whose graph is symmetric about the y-axis and has local maxima at (−1,1) and (1,1) and a y-intercept of -1.

*April 3, 2011 by Cad*

**advanced algebra quartic**

leaning ladders- a nasty quartic Two ladders leaning in opposite directionsbetween two walls.Each ladder touching the base of the opposite wall Ladders are 40 ft and 60 ft respt. cross at hy of 10 ft , h, what is the distance tween walls w ?

*May 12, 2007 by fredd*

**Algebra**

How do you factor a quartic equation such as 4x^3-24x^2-x+6. Could you break it down step by step? thank you.

*November 3, 2009 by Michael*

**Math**

I need 2 quartic+ functions that have a complez zero.

*February 17, 2014 by Lett*

**math**

What is a quartic function with only the two real zeros given? x = -4 and x = -1

*October 24, 2013 by tabatha*

**Math **

How do you find the unknowns for a quartic function : f(x) =ax^4+bx^3+cx^2+dx+e Given the table of values. Determine a,b, c, d and e. x |y 0 0 1 0 2 1 3 3 4 6 5 10 6 15 7 21

*October 23, 2015 by M*

**dav chd**

Depress the quartic x^4 - 4x^3 + 2x^2 + 4x + 4 into w^4 - 4w^2 + 7

*November 21, 2016 by Anonymous*

**Math Analysis**

A quartic polynomial Q(x) with real coefficients has zeros 2+i and 3-2i, find the other two zeros.

*January 27, 2008 by Justin*

**Pre-Calculus**

Graphing Polynomials Decide whether each of the following is sometimes true, always true, or never true and explain reasoning. A. A cubic function has 2 different x-intercepts ^Never true, has to have 3? B. A cubic function has 3 x-intercepts ^ Always true C. A quartic ...

*September 26, 2012 by Shreya*

**algebra**

What is a quartic polynomial function in standard form with zeros 1, –2, –2, and –3?

*October 8, 2014 by Alex*

**Algebra **

What is a quartic function with only the two real zeros given? x = -4 and x = -1 A. y = x^4 + 5x^3 + 5x^2 + 5x + 4 B. y = x^4 - 5x^3 - 5x^2 - 5x - 4 C. y = -x^4 + 5x^3 + 5x^2 + 5x + 4 D. y = x^4 + 5x^3 + 5x^2 + 5x - 5

*March 24, 2014 by Jacob*

**algebra 2**

What is a quartic function with only the two real zeros given? x = -4, x = 1

*January 7, 2015 by Lisa*

**algebra**

what is a quartic function with only the two real zeros given x=5 and x=1 y=-x^4-6x^3+6x^2-6x+5 y=x^4+6x^3-6x^2-5 y=x^4-6x^3+5x^2-6x+6 y=x^4-6x^3+6x^2-6x+5 can someone explain

*November 14, 2012 by lee*

**trig**

solve for x 6tanx - 4sinx = 1 i tried it but got a quartic formula :S 16sin^4x + 8sin^3x + 37sin^2x - 36 = 0

*May 2, 2008 by william*

**Algebra II**

Write a quartic funciton that has 2 real and 2 imaginary roots and rewrite the polynomialin standard form.

*April 5, 2013 by Piggy*

**algebra**

What is a quartic function with only the two real zeroes given? x=-1 and x=-3 Would someone please explain

*November 26, 2012 by lee*

**complete the square**

the quartic equation x^4+8x^3=9x^2+20x+3 how to complete the square on the left hand side? I tried to factor out an x^2 first http://mathworld.wolfram.com/QuarticEquation.html

*May 21, 2007 by jay*

**Physics - Projectile Motion**

This is going to be hard to explain, but I did an experiment on projectile motion and we had to lauch a marble from 0 degrees to 90 degrees in a 5 degree interval using a projectile launcher with the same velocity each time. We had to investigate the angle which gave the ...

*September 1, 2008 by TK*

**algebra**

k is uniformly chosen from the interval (-5,5) . Let p be the probability that the quartic f(x)=kx^4+(k^2+1)x^2+k has 4 distinct real roots such that one of the roots is less than -4 and the other three are greater than -1. Find the value of 1000p.

*March 21, 2013 by Anonymous*

**Math Functions**

A stock went on the market and began with a start value of $2. After 6 months of being on the market it reached its maximum value of 52$ but then dropped back down to 2$ by the 12th month. Three competing investment firms have come up with the following models. Royal Bank: p(t...

*June 15, 2016 by Dyrone*

**Pre Calc**

Write a quartic function that has roots that are 3+5i, -4 and 7 and f(-3)=53. I have tried it a bunch of times and can't seem to get it. (x-3+5i)(x-3-5i)(x+4)(x-7) I multiplied them together x^4-9x^3+24x^2+66x-952 I was a little unsure what f(-3)=53 means. I thought I should ...

*November 15, 2009 by Zach*

**Math**

Determine the maximum and minimum number of turning points for the function h(x) = -2x^4 - 8x^3 + 5x -6. Maximum:3 Minimum:1 Is this a valid reason: A quartic polynomial function has a 3 Turning points. The turning point is always 1 less than the degree. For example degree 4=3...

*December 9, 2011 by Melinda*

**math**

compare and contrast: below are two equations. solve each equation and compare the two solutions. choose the statement that is true about each solution. equation #1 2x-3=-17 5x+3=12 A. equation #1 and equation #2 have the same number of solutions B. equation #1 has more ...

*October 13, 2014 by HELLP PLEASE*

**adv functions**

Write two possible quartic inequalities, one using the less than or equal to symbol (≤) and the other using the greater than or equal to symbol (≥), that correspond to the following solution : -6-√2 <x< -6+√2 or 6-√2 <x< 6+√2

*October 6, 2015 by katrina*

**MATH**

I NEED TO SOLVE FOR Y AND X im getting rele confused on this. ok here is the prob. x+y=5 x-2y=-4 equation 1 x+y=5 equation 2 x-2y=-4 Multiply equation 1 by -1. Add equation 1 to equation 2. The x term cancels. Solve for y. THEN, put the value of y into either equation and ...

*December 17, 2006 by Tony*

**math **

True or False? 1. The product of 2 linear polynomials is quadratic 2. The sum of two cubic polynomials cannot have a degree greater than 3. 3. The sum of two cubic polynomials may have a degree less than 3. 4. The sum of a cubic and a quartic polynomial may have a degree ...

*October 29, 2010 by clark*

**Urgent help Maths Ms sue**

Use binomial series to find the Taylor series about 0 for the function f(x)=(1+x)^-3/5 giving all terms up to the one in x^4. Then use this series and Taylor series for sin x to find the quartic Taylor polynomial about 0 for the function f(x)= sinx/(1+x)^3/5

*April 24, 2016 by Jay *

**Maths**

Use the binomial series to find the Taylor series about 0 for the function f(x) = (1 + x)−3/5, giving all terms up to the one in x4. I have the answer; f(x)=1-3/5(x) +12/25(x^2) -52/125(x^3) + 234/625(x^4) but i am not sure how to work out the interval validity and Use ...

*April 24, 2016 by s17*

**8th grade math**

how do you make an equation that is parallel to another equation? how do you make an equation that is perpendicular to another equation? please help and explain. Thank you.

*March 4, 2012 by saranghae12*

**precalculus**

Determine the maximum and minimum number of turning points for the function h(x) = -2x^4 - 8x^3 + 5x -6. Maximum:3 Minimum:1 Is this a valid reason: A quartic polynomial function has a 3 Turning points. The turning point is always 1 less than the degree. For example degree 4=3...

*December 9, 2011 by Melinda*

**Math **

Rewrite each equation below. Then solve your new equation. Be sure to check your solution using the original equation. (n+4)+n(n+2)+n=0

*January 11, 2016 by Anonymous*

**Math**

ewrite each equation below. Then solve your new equation. Be sure to check your solution using the original equation. 4/x=x+3

*January 11, 2016 by April*

**math**

waterline in my back yard is represented by the equation Y=-1/4x +8 What is the slope of the equation what is the Y intercept of the equation?

*October 5, 2010 by rick*

**math**

i)use the substitution u=2^y to express the equation 3(2^y-1)=2^y+4 as a linear equation of u ii)hence solve the equation 3(2^y-1)=2^y+4

*March 22, 2016 by carolina*

**Math**

Consider the equation x^2 + 20 = 12x A) draw geometric diagram representing this equation. B) Show how to complete the square geometrically. C) Solve the equation.

*April 10, 2008 by John*

**Math**

Did I do this problem correctly? Solve the following system by first handling the equation of the two lines: x=(0, 2) y=(-2, 1) x=(0, -1) y=(-3, -2) Equation 1: y= -x1 Equation 2: y=4x/3+2T Is this the correct answer?

*September 18, 2009 by B.B.*

**Math**

How would I simplify this quadratic equation: y=-15/20.25(x^2+3x+2.25)+0 This is my work already done the original equation I was given but I need help simplifying the equation I have found.

*December 8, 2014 by Alex*

**math**

4. From your equation, find the European equivalent for U. S. size 8. equation~ m = (y2 – y1) / (x2 – x1) m = (39-34) / (5-3) m = 5/2 b=26.5 Equation = y=5/2x+26.5 Can someone please help me answer this? I have a graph if you need it... ps thank you for any help you can give!

*November 3, 2015 by Abby *

**Math**

For the given equation r=1/(3-4sintheta) a. Graph the equation in polar form. b. Reduce the equation to simplest rectangular form. c. Determine the Center and the type of graph of the resulting equation.

*June 25, 2015 by Justine*

**Math!**

6a + 5b = 10 , 6a - b = -110 a=________ b=_________ 6a + 5b = 10 6a - b = -110 =================== Subtact equation 2 from equation which will eliminate a. Solve the resulting equation for b, then substitute into either original equation and solve for a. Post your work if you ...

*August 24, 2006 by kare*

**Cosmology**

The equation describing the geometry and mass-energy distribution of a homogeneous and isotropic universe is known as: - The Einstein Equation - The Friedmann Equation - The Robertson-Walker Equation - The Hubble Equation

*January 8, 2013 by qwerty*

**Math**

Identify the equation as an identity, inconsistent equation or conditional equation. 1-3/2x=7/4 my answer is it is an inconsistent equation

*March 21, 2008 by Lisa*

**MATH**

Find all real solutions of the equation by first rewriting the equation as a quadratic equation. (Enter your answers as a comma-separated list.) 4x4 + 15x2 − 4 = 0

*August 4, 2012 by Emmett*

**math**

what does it mean to describe the context in which a equation is used. describe the meaning of a equation and the meaning of the variables.what is meant by solution of a equation. my equation is y=2x+3

*June 9, 2012 by pat*

**Math**

Can someone help me with these T.T 1.Which polynomial function would have the end behaviour of as x-> -∞, y= +inf and as x-> ∞, y-> -∞? a) f(x) = -6x^4 - x^5 + 5x^3 - x^2 - 4x + 9 b)f(x)= 6x^4 + x^5 - 5x^3 + x^2 + 4x - 9 c)f(x) = 3x^2 + x - 11 d)-2x^...

*December 8, 2011 by Jacob*

**math,correction,&help**

Write the equation of the line L satisfying the given geometric conditions. L has y-intercept (0,2) and is perpendicular to the line with equation 2x-3y = 6 Equation of perpendicular line is of the form 3x + 2y = K…It passes through (0,2) 2(2) = K = 4 So, Equation is

*January 16, 2007 by jasmine20*

**math**

When the problem says "Angel transformed the following equation from 6x+4-×=2 (×+1) to 10=2 (×+1). He then stated that the solution to the equation is ×=4. Is he correct? Explain" when I solved the equation I got 24=10 and 10=10. However, im having trouble explaining it...

*January 14, 2014 by Samantha*

**math**

When the problem says "Angel transformed the following equation from 6x+4-×=2 (×+1) to 10=2 (×+1). He then stated that the solution to the equation is ×=4. Is he correct? Explain" when I solved the equation I got 24=10 and 10=10. However, im having trouble explaining it...

*January 14, 2014 by Samantha*

**Math (pre calculus)**

State whether the given equation is true for all values of the variables (disregard any value that makes a denominator zero) equation one (2/ 4 + x) = (1/2) + (2/x) equation two (1 + x + x^2 / x) = (1/x) + 1 + x

*February 6, 2014 by Danielle*

**physics**

Which equation would you use when you were describing a flowing viscous fluid? Select one: a. The Bernouilli Equation b. The Poiseuille Equation c. The equation of continuity d. And of the Equation of continuity or the Bernouilli Equation or the Poiseuille Equation.

*June 22, 2014 by lisa*

**Math**

One of the "think outside the box" problems in my math work is really challenging me. I need to write and equation expressing: 8 cos theta + 15 sin theta as a single sinusoid I tried graphing to no avail and there is nothing in my textbook about turning an equation like that ...

*November 13, 2011 by Nathaniel. B*

**math**

A dog weighs 44 pounds and the veterinarian thinks it needs to lose 7 pounds. Mikala wrote the equation x+7=44 to represent the situation. Kirk wrote the equation 44-x=7. Which equation is correct? Can you write another equation that represents the situation? Thank you for ...

*February 26, 2015 by Sam*

**Math**

4(j)-7=9 Add 7 to both sides of the equation and you get 4 j = 16 Now divide both sides of the equation by 4 and you will find out what the value of j is. Whenever you perform the same mathematical operation on both sides of an equation, you end up with another equation that ...

*September 1, 2006 by tonya*

**Math**

Thanks Damon! first I eliminated z by adding equation 1+2 (1st one *2) and got same as urs x+y= 10. Then, I eliminated z by adding equation 2+3 (2nd equation*3, and 3rd equation*2) and got x-y=6. x+y= 10 x-y=6 x=16 why is this wrong?

*April 9, 2010 by Me*

**Math**

1. Solve the equation. -6g = 42 a. g = 7 b. g = -7 c. g = 252 d. g = -252 2. Solve the equation. x/8 = 16 a. x = 128 b. x = 24 c. x = 8 d. x = 2 3. Solve the equation. 12m = 14.4 a. m = 120 b. m = 12 c. m = 1.2 d. m = 0.12 4. Solve the equation. x/3 = -15 a. x = 45 b. x = -45 ...

*September 1, 2015 by Malasia*

**Math - Equation of Lines**

Determine whether the following pairs of planes are coincident, parallel and distinct or neither. a) x + 3y - z - 2 = 0 and 2x + 6y - 2z - 8 = 0 TEXTBOOK ANSWER: parallel and distinct Can someone show me how to find the vector equation or parametric equation from the scalar ...

*March 25, 2008 by Anonymous*

**Math 8th Grade**

1. which equation is equivalent to y - 6 = -12(x+4)? 2. which point is located on the line represented by the equation y + 4 = -5(x - 3)? 3. which equation represents the line that passes through the points (6 -3) and (-4 -9)? 4.The population of a city increases by 4000 ...

*December 5, 2016 by ChaBoY*

**math**

x+y= 30 4x+2y=74 y+ What does the y+ signify? Are you supposed to solve for y? Try doubling the first equation, giving you 2x + 2y = 60 and then subracting the second equation from that. -2x = -14 Solve that easily for x, and then substitute that x in any equation to get y.

*March 7, 2007 by JOHN*

**ALGEBRA**

The table below shows two equations: Equation 1 |3x - 1| + 7 = 2 Equation 2 |2x + 1| + 4 = 3 Which statement is true about the solution to the two equations? Equation 1 and equation 2 have no solutions. Equation 1 has no solution and equation 2 has solutions x = 0, 1. The ...

*October 5, 2014 by HELP PLEASE*

**math**

determine the equation of the line in y=mx+b form that passes through 1. (-8,1) & (-9, 2) 2. (3,7) & (-5, 9) 3, (-4,0) & (4,6) Part B ) For each equation Rewreite the y=mx+b equation in general form Ax+by+c=0 where A is positive b and C are integers In each problem, put in x,y...

*February 8, 2007 by thomas*

**math, algebra**

How do I solve for the following: Directions solve each literal equation for the individual variable. 2x + 3y -6 (for x ) Linear equation It has to equal something. What you have is a statement, not an equation.

*December 19, 2006 by jasmine20*

**math**

Heather is solving an equation by graphing the expressions on both sides. If her graph intersects at an infinite number of points, which statement could describe the equation Heather is attempting to solve? A. One side of the equation is a constant, and the other side of the ...

*January 12, 2016 by kristy*

**advanced math**

Hi, My equation is 4x^2-8. I think the independent variable for the equation is 4 and the dependent is x. Is that right? I also have to find the domain and range but I'm not sure how to find those for this equation.

*March 17, 2008 by Melissa*

**Math**

The parametric equation {x=t^2+4t+8 ; y=t+4 a. Reduce the equation to simplest rectangular form b. Determine the Center and the type of graph of the resulting equation. c. Graph the equation in rectangular form

*June 25, 2015 by Allyssa*

**Math**

Could someone please help me. Solve the linear equation by substitution. Y=10-2.2x 5x+y=70 For the first equation I am getting x=21.4 and for the second equation I am getting y=-37. The answers are 21 3/7 and -37 1/7. Could you show me how you do this so I can see where I went...

*January 4, 2015 by Cherie*

**Math**

This question makes reference to an orthonormal basis (i,j), and an origin O. 1. Consider the triangle ABC, with vertices A(0,-2), B(9,1), C(-1,11). Find: a) a cartesian equation of the altitude from C; b) a cartesian equation of the circle which has BC as a diameter; c) a ...

*February 27, 2008 by Anonymous*

**Grade 10-Math**

x+2y=3 5x+4y=8 I isolated x+2y=3 to make: x=3-2y then i began to sub in equation one with equation two: 5x+4y(3-2y)=8 5x+12-8y=8 after that i began to try to solve the equation but my answers were not correct. any help would be greatly appreciated!

*September 24, 2011 by peyton*

**8th grade math HELP URGENT!!! **

Solve Each equation by first dividing each side of the equation by the number outside the parentheses. When would you recommend using this method to solve an equation? Explain. A. 9(x-4)=72. B. 8(x+5)=60

*September 12, 2013 by #HELP!!!*

**solution of an equation**

can someone please give me an example of a solution of an equation An equation is a statment with the equal sign = in it. If we have y=2x+3 and we're asked to find x when y=7 then we would have to solve 7=2x+3 The solution of that equation is x=2. Was there a specific equation...

*September 28, 2006 by alejandra*

**math**

Hi, Im having trouble with this math equation.. if you can, can you please help me and explain. the equation is : 3/7d=5/4 You have to find the solution. Thank you

*February 19, 2015 by Bethany*

**MATH ,CORRECTION**

DIRECTIONS ARE. WRITE THE EQUATION OF THE LINE L satisfying the given geometric conditions. Problem is: L has y-intercept (0,-3) and is parallel to the line with equation y=(2/3)x +1. So, this is what i did: Y=(2/3)x+b....it passes through (0,-3) -3=b so, the equation is: y=(2...

*January 23, 2007 by Jasmine20*

**ordinary differential equation**

consider the differential equation d^3x/dt^3 - 9(d^2x/dt^2)+ 27(dx/dt) -27x = c0s t +sin t + te^(3t) a) show that characteristic equation of the differential equation is (m-3)^3 =0 (b) Hence, find the general solution of the equation.

*May 21, 2016 by thigan*

**math**

Hi, I have a math problem that I can't understand how to write the equation for. The question says: a ball is thrown upwards from an initial height of 20 meters at an initial velocity of 10 meters per second. Write an equation for the height (h) of the ball at time (t). My ...

*March 5, 2008 by Michelle*

**math**

1-AND PRODUCTION sum of roots of the equation :X²-X-6=0 2-FOR what values of A the equation has no solution ax ² +3 x-7 = 0 3-For what values of x the equation has 2 solution X²-X+C=0 4-Solve the equation (X-1)²-4=0 5-Solve the equation a)2/2 x^(-3)=2√2 b)3^(x^2-2x)=...

*September 26, 2010 by Anonymous*

**math**

I need help with write the equation of the line which contains the point (0,negavtive 3), or written ars(0, -3) and whose slope is 4. if you want the equation in the form y = mx + b sub in -3 for y, 4 for m, and 0 for x for -3 = 4(0) + b so b = -3 equation: y = 4x -3 We could ...

*April 27, 2007 by Don*

**Math**

I need some help on this problem: Describe the difference between an open equation and a closed equation. My textbook says that an open equation is one which has a variable, although it never mentions the term closed equation. I tried looking online for the meaning of this ...

*September 22, 2013 by Anonymous*

**Math**

(2,14),(1,-1),(3,35) Find the quadratic function y=ax^2+bx+c 1) 4a+2b+c=14 2) a+b+c=-1 3) 9a+3b+c= 35 equation 1&2 = 3a + b = 13 equation 1&3 = -5a +5b = -21 i know you take those two equations now 3a + b = 13 -5a - 5b = -21 multiply the top by 5 and the bottom equation by 3 ...

*May 12, 2009 by Sarah*

**Math help!**

Reduce the equation 3/x + x/3 = -5/2 to the standard form of a quadratic equation ax^2+bx+c=0. The quadratic equation is___?

*April 27, 2015 by Yin*

**Algebra 1**

What is an equation of a line perpendicular to the line with equation y = 1 - 3x a.y=-3x + 5 b. y=3x + 5 c.y=-1/3x + 5 d. y=1/3x + 5 To solve the linear system below, which substitution of unkowns is proper ? x + 4y= -6 5x - 3y = -16 a. substitute -4y-6 for x in the first ...

*April 22, 2013 by Ley*

**Math check my answers**

1. Evaluate. 8d - 10 for d = 4 A.32 B.22*** C.26 D.46 2. write an algebraic expression for the sum of 3 coins and c coins. A.c + 3*** B.c/3 C.3c D.c-3 3. Find the solution of the equation from the given numbers. x - 2 =16: 14, 18, 21, or 12 A.12 B.14 C.18*** D.21 4.use mental ...

*December 1, 2016 by Sid.V*

**FINANCE/MATH**

Please use both M&M proposition II with taxes equation and WACC equation to derive the following equation:? WACC = Ru X [1- Tc(D/V)]? I need this by tomorrow please help.

*December 8, 2010 by Anonymous*

**math**

State the solutions, or estimated solutions, to each quadratick equation. We have equation is x^2-9x+20.25=0 and the graph is y=x^2-9x+20.25 Not sure how to figure this one out. I assume I just solve the equation and not the graph to get the ordered pairs?

*January 12, 2011 by m*

**math/Check!**

okay so the question is as follows: determien the standard form of the equation of a hyperbola with vertices(+or- 2,0) and passing through (4,3) is this right? x^2/2^2 - y^2/b^2 =1 Since P(4,3) passes through, the x and y coordinates satisfy the equation: 4^2/2^2 - 3^2/b^2 =1 ...

*December 5, 2006 by sammy boy!*

**math/check!**

okay so the question is as follows: determien the standard form of the equation of a hyperbola with vertices(+or- 2,0) and passing through (4,3) is this right? x^2/2^2 - y^2/b^2 =1 Since P(4,3) passes through, the x and y coordinates satisfy the equation: 4^2/2^2 - 3^2/b^2 =1 ...

*December 5, 2006 by sammy boy!*

**Math**

Solve the system using any algebraic method. 2x - 2y + z = 3 5y - z = -31 x + 3y + 2z = -21 ______________________ The answer I got for this is ( -26, 6,67) but I know its wrong and I don't know why. Help please >< my work is at the bottom I used substitution method ...

*November 1, 2011 by Linda*

**Math**

Help please... some diff equation prbolems... 1.) Transform 2xdy - y(x+1)dx + 6y^3dx = 0 into a Bernoulli Equation. 2.) The equation of the tangent line of the one-family of curve x^2 + y^2 = 25 at P(4, 3) is_______ 3.) The complete solution of 2x^3 dy = y (y^2 + 3x^2) ...

*December 14, 2009 by Therese*

**Math (equation of tangent line)**

Consider the implicit equation 2xy-1=(x+y+1)^2 a) Compute and solve for the derivative dy/dx as a function of x and y. b) Find the equation of the tangent line to the graph of the above when y=-1. For part a, I found the derivative being equal -(x+1)/(y+1) but how would I find...

*November 17, 2016 by Ray*

**Math**

What's the slop of the line whose equation is 87 = 7 - 2y? This is similar to the other one where i posted. You subtract 7 from both sides so the equation will be 80= -2y. Then divide both sides by -2, and the equation will be y=-40. This is a straight line so the slope is ...

*November 5, 2006 by Cynthia*

**Math**

I need help with two problems. Just want to make sure that the answers I put are correct. 1) Which of the following is an equation of a vertical line? F. 4x + 5y = 0 G. -4 = 16x H. 3y = -9 I. 4x + 5y = -1 2) Which equation is the equation of a line that passes through (-10, 3...

*February 15, 2011 by Melanie*

**Math**

1. Is the equation true, false, or open? 4y 8 = 6y + 3 2. Which value is a solution of the equation 2 - 8x = -6? 3. Which ordered pair is a solution of the equation y - x - 4? 4. Which ordered pair is a solution of the equation y = 4x? 5. Which ordered pair is the solution of ...

*November 29, 2016 by Robin Kwan*

**math**

The solutions to a quadratic equation are 3/8 and 2/5. Write the quadratic equation in standard form show all appropriate work. (standard equation: f(x)=a(x-h)^2+k)

*September 25, 2008 by shannon*

**math**

Renee must solve the equation 4x+12=6x. If she subtracts 4x from the left side of the equation, what should renee write on the right side of the equation?

*May 4, 2011 by natalie*

**math**

write a multiplication equation and a division equation that represent the model shown below.176 *16=d this is correct.how to write a division equation.

*October 23, 2014 by Lakshmi*

**6th Grade Math**

If you are given a true equation and you add the same number to each side, the resulting equation is also a true equation. If you are given a false equation and you add the same number to each side, will the resulting equation be a true equation or a false equation?

*October 2, 2014 by t-man*

**math+check!**

okay so the question is as follows: determien the standard form of the equation of a hyperbola with vertices(+or- 2,0) and passing through (4,3) is this right? x^2/2^2 - y^2/b^2 =1 Since P(4,3) passes through, the x and y coordinates satisfy the equation: 4^2/2^2 - 3^2/b^2 =1 ...

*December 5, 2006 by sammy boy!*