Wednesday

October 22, 2014

October 22, 2014

Number of results: 33,375

**Reading**

Which line in the poem contains an example of onomatopoeia? A. Line 6 B. Line 7 C. Line 14 D. Line 15 Line 6: and you'll forget all about that broccoli you chop Line 7: Rock candy looks like beautiful glass Line 14: but spinach tastes all gritty and sandy Line 15: Taffy is ...
*November 14, 2011 by Bob*

**READING **

Which line in the poem contains an example of onomatopoeia? A. Line 6 B. Line 7 C. Line 14 D. Line 15 Line 6: and you'll forget all about that broccoli you chop Line 7: Rock candy looks like beautiful glass Line 14: but spinach tastes all gritty and sandy Line 15: Taffy is ...
*November 14, 2011 by Bob*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**math**

sqrt of u- sqrt of v over sqrt of u+sqrt of v
*March 18, 2008 by Lilbean*

**algebra**

simplify: sqrt (2)/7 a) sqrt (14) / 7 b) sqrt (7) C) 2 d) sqrt (2)
*June 18, 2010 by ami*

**algebra**

simplify: sqrt 2/7 a) sqrt (7) b) 2 c) sqrt (2) d) sqrt (14) / 7
*June 21, 2010 by sean*

**algebra**

simplify: sqrt 4/5 a) 2 sqrt (5) b) 2 c) 2 sqrt (5) / 5 d) sqrt (5)
*June 22, 2010 by ant*

**algebra**

simplify; sqrt (6) / 11 a) 6 sqrt (11) /11 b) 6 c) 6 sqrt (11) d) sqrt (66) / 11
*June 23, 2010 by ant*

**algebra**

simplify: sqrt (6/11) a) sqrt (66/11) b) 6 sqrt (11/11) c) 6 sqrt (11) d) 6
*June 24, 2010 by kiddo*

**algerba**

simplify: sqrt (6/11) a) sqrt (66/11) b) 6 sqrt (11/11) c) 6 d) 6 sqrt (11)
*June 24, 2010 by anthony*

**alg**

simplify: sqrt (6/11) a) sqrt (66/11) b) 6 c) 6 sqrt (11/11) d)6 sqrt (11)
*June 26, 2010 by anthony*

**ALgebra 1**

4. Write the equation of a line whose slope is 6 and whose y intercept is -3. The answer would be y=6x-3 This is the y-intercept formula (y=mx+b) where m is the slope and b is the y-intercept. Thanx What about this one?Can you plz help? 6. What happens to the graph of the line...
*October 26, 2006 by Mary*

**Algebra**

Write the equation of the line passing through (3,10) and (3,-3) Notice the line is vertical. Equation is x= constant. You figure what the constant is.
*May 20, 2007 by Linda*

**algebra**

Find an equation of the line having the given slope and containg the given point m=8/9,(4,-7) The equation of the line is y=? Please help me with this. Thanks
*November 28, 2009 by muff*

**Geometry**

Write an equation of the straight line whose slope is 2 and whose y-intercept is the same as that of the line represented by the equation y=4x-2. What is it ?
*June 8, 2010 by Michelle *

**Precalculus**

find the equation of the cubic equation show graph passes through the points (3,0) and (1,4) and is tangent to the axis at the origin??? I honestly cannot figure this out and can you explain the graph to me too?
*October 23, 2012 by Sam*

**Math**

Write the equation of the line in standard form: (-3, 6); m = 1/2 (1, 0) & (-5, 3) Write the equation of the line perpendicular to 4x – 5y = -10 through the point(2, 3). Write the equation in slope intercept form.
*January 8, 2014 by Katie*

**Derivative Calculus**

I just need my answers checked. 1) Find the derivative. f(x)=3x^5/4 - 8/9x^9/8 + x^2 - 9x + 1 Answer: f’(x)= 15/4x^1/4 - x ^1/8 + 2x -9 2) Let f(x)= 7x^3 - 9x. Find f’(5) Answer: f’(x)=21x^2-9 f’(5)=516 3) Find the given limit by evaluating the derivative. lim h⇒0 5(7+h...
*June 14, 2011 by Steff*

**math**

4 sqrt(3) minus sqrt(64) plus 6 sqrt(27)
*May 27, 2008 by jaydee*

**algebra**

simplify: sqrt (90) a) 30 b) 3 sqrt (10) c) 10 srt (3) d) 9 sqrt (3)
*June 22, 2010 by sean*

**math**

simplify: sqrt 18/50 Would it be sqrt 18 / sqrt 50
*July 4, 2010 by Hannah*

**Math: Factoring**

3(1+x)sqrt 1/3 -x(1-x)sqrt -2/3 -------------------------------- (1+x) sqrt 2/3 please help
*September 15, 2011 by Ashley*

**math**

Simplify each of the following: 1. 16*(2^x)+2 2. 3[sqrt(x^1/4)*sqrt(x)/5*sqrt(x^2)] 3. ab^(2x+y)/a^x b^x
*May 28, 2012 by noel*

**calculus**

First I would find the first derivative which is the slope and then would I plug in the given value into the original equation to find y and then use y-y_1=m(x-x_1)? Find the euation of the tangent line at the given value a) y=ln abs(x+4) x = -3 b) y= (x^2 +5)/(x+1) x=1 a) I ...
*May 2, 2007 by Tammy*

**Calculus**

Find the slope of the tangent line to the graph of the function f(x)=x*e^x at x=3 correct to two decimal places.
*February 27, 2010 by kay*

**calculus**

If the graph of f passes through the point (1, 0) and the slope of the tangent line at(x, f(x)) is 4x − 3, find the value of f(2).
*April 11, 2010 by Garrett*

**maths **

Find the x-coordinates of all points on the curve y=2sin-sin^2x at which the tangent line is horizontal.
*October 29, 2010 by khela*

**Calculus**

Use implicit differentiation to find the slope of the tangent line to the curve –2x^2–2xy–1y^3=–3 at the point (–1–1).
*November 5, 2010 by Trevor*

**Trigonometry**

Suppose the angle formed by the line 14y = 23x and the positive x-axis is č. Find the tangent of č.
*January 31, 2011 by Mike*

**calculus**

f(x)=3-5x , (-1,8) find the slope of the tangent line to the graph of the function at the given point how do you figure this out?
*February 11, 2011 by art*

**Calc**

The line y = mx+b with b≥2 is tangent to the graph f(x) = -2(x-2)˛ + 2 at a point in the first quadrant. What are all possible values of b?
*February 22, 2011 by Erica*

**math**

Which of the following four fundamental funtions have the same tangent line at x = 0 Ans:_________________ ? y = x, y = x2, y = x3 and y = ex
*August 31, 2011 by sarah*

**Calculus**

Could really use a lot of help here what is the slope of the tangent line to cos(x-y)=xe^x at point (0,3pi/2)
*February 15, 2012 by Johnathan*

**calculus anti-derivation**

Given that the graph of f(x) passes through the point (2,5) and that the slope of its tangent line at (x, f(x))is 3x+5, what is f(3) ?
*April 14, 2012 by lindsay*

**Math**

Find the slope of the tangent line to the curve 0x^2−2xy+2y^3=10 at point (-4,1) Help please? Thanks in advance
*November 17, 2012 by Ali*

**calc**

Find the slope of the tangent line at (8,8) for the function (16-x)y^2=x^3 Round your answer to two decimal places.
*October 24, 2013 by math*

**calculus**

Describe the slope of the tangent line to the curve defined by x 2 + xy - y 2 = 5 when x = 2. positive negative zero undefined
*February 23, 2014 by shira*

**Calc 2**

Find the length of the curve y^2=x^3 from the origin where the tangent line makes an angle of 45 degrees with the x-axis.
*February 26, 2014 by Chelsea *

**Rodriguez**

use implicit differentiation to find the slope of the tangent line to the curve of x^2/3+y^2/3=4 at the point (-1,3sqrt3)
*October 2, 2014 by Nancy*

**math**

Find an equation of a line that is parrellel to the line of each equation: y=2x-7 y=-4x+5 y=x-3
*April 25, 2008 by Marianna*

**math/algebra1a**

Write the equation of the line passing through (-3, -5)and (3,0). (a)y= -6/5x - 5/2 (b)y= 5/6x - 5/2 (c)y= 5/6 x + 2/5 (d)y= -6/5x + 2/5 You have to get the slope of the line using equation y2-y1/x2-x1. [0-(-5)]/[3-(-3)] = 5/6 Now that you have the slope, you have to solve for...
*May 26, 2007 by Confused*

**precalc**

I;m not sure if i am doing this right...I keep getting a negative intersection point, which doesn't seem possible. Please help! a) find the equatoin of line 1 which passes through (1,3) and (9,7) I get y=3+1/2(x+1)or y=1/2x+2.5 b) the line 2 is perpedicular to line 1 and ...
*September 10, 2012 by Anonymous*

**algebra**

Which choice is the equation of a line that has a y-intercept of 7 and is parallel to the line represented by this equation? y = 6x− 5 A. y = 6x+ 7 B. y = 6x− 7 the other two answers pertain to perpendicular lines, so i excluded them. i was going to select B, but ...
*November 10, 2013 by caduceus*

**Algebra-Please check**

1. solve sqrt (11-x) = sqrt(x-7) choices are 6,7,8 or9 I think according to my calcs the answer is (9) The range of f(x) = sqrt(3x-6) - 2 answers would be y<= (-2) y>= (-2) y> (-2) y<=(2) I think the answer is y <= -2, correct I don't get this one at all: Solve...
*January 8, 2011 by Erica*

**calculus**

integration by parts: 1. e^(sqrt(3x+9)) 2. sin(lr) are the answers: 1. 2e^(sqrt(3x+9))(sqrt(3x+9)-1) + C 2. -r cos(lnr) + sin(lr) + C
*May 27, 2007 by cory*

**math**

integration by parts: 1. e^(sqrt(3x+9)) 2. sin(lr) are the answers: 1. 2e^(sqrt(3x+9))(sqrt(3x+9)-1) + C 2. -r cos(lnr) + sin(lr) + C
*May 28, 2007 by cory*

**algebra**

Solve: sqrt (3)b + sqrt (2) = sqrt (7)b - 10 a) none b) (3) c) (-3) d) (-4) i need to know if my answer is correct or not and the answer i picked is a thanks
*June 23, 2010 by kiddo*

**algebra**

Solve: sqrt (3)b + sqrt (2) = sqrt (7)b - 10 a) none b) (3) c) (-3) d) (-4) i need to know if my answer is correct or not and the answer i picked is a thanks
*June 24, 2010 by kiddo*

**Statistics**

σ = sqrt[ P * ( 1 - P ) / n ] = sqrt [(0.8 * 0.2) / 100] = sqrt(0.0016) = 0.04 z = (p - P) / σ = (.73 - .80)/0.04 = -1.75. What type of formula is this problem?
*May 4, 2014 by Linda*

**math 116**

a water line is given by the equation y = - 2/3x - 12 . Suppose you want to put a pink flamingo lawn ornament in your backyard, but you want to avoid placing it directly over the water line, in case you need to excavate the line for repairs in the future. Could you place it at...
*October 5, 2008 by Carmen*

**Math**

Let AB be the diameter of circle Γ1. In the interior of Γ1, there are circles Γ2 and Γ3 that are tangent to Γ1 at A and B, respectively. Γ2 and Γ3 are also externally tangent at C. This exterior tangent cuts Γ1 at P and Q, with PQ=20. ...
*May 5, 2013 by Mathslover Please help*

**calculus**

1. Given the curve a. Find an expression for the slope of the curve at any point (x, y) on the curve. b. Write an equation for the line tangent to the curve at the point (2, 1) c. Find the coordinates of all other points on this curve with slope equal to the slope at (2, 1)
*December 3, 2011 by Fareha*

**alg.**

Write the equation of the line that passes through point (2, –6) with a slope of –5. I think this is a pretty easy problem, but I'm making it out to be harder than it really is. here is what I got: y=mx+b -6=-5(2)+b -6=-10+b =10 =10 b=4 the equation that I got is: y=-5x+4 is ...
*July 30, 2007 by lacy*

**Pre-calc Solve logarithmic **

ln sqrt(x-8)= 5 I would like help to solve this what i did was to take away the square root i squared both sides coming up with (ln sqrt(x-8))^2= (5)^2 ln(x-8)=25 am i alowed to do this with ln in the equation? then i subtract 8 from both sides ln x = 17 e^(ln x)= e^17 e ...
*October 30, 2013 by Marcos*

**Calculus**

Find the area cut off by x=4 from the hyperbola x^2/9-y^2/4=1. Answer is 4.982 in the book. I have proceeded as under: Y=2/3*sqrt(x^2-9) and rhe reqd. area is double of integral 2/3*sqrt(x^2-9) from 3 to 4. Int= 2/3*[xsqrt(x^2-9)/2 – 9/2*log{x+sqrt(x^2-9)}] from 3 to 4 =x/...
*March 28, 2014 by MS*

**Maths**

what is the equation for the tangent to the curve 6y=7-x^3 at (1,1)?
*April 19, 2012 by its urgent!!!!!!!!!!*

**Calculus**

I asked for help on a question yesterday and I got really good help and I was wondering if someone could help with this problem too. This is the question: Find an equation of the line through the point (1,3) that cuts off the least area from the first quadrant. My work on the ...
*November 12, 2006 by Kristal*

**calculus**

let f(t) = 2*pi*t + sin(2*pi*t) a) find value of t in open interval (0,2) for which the tangent line at (t, f(t)) is parallel to the line through (0,0( and (2, 4pi) b) suppose the given funtion describes the position of a particle on the x-axis for 0<= t <= 2. What is ...
*November 1, 2011 by zoe*

**Physics**

can someone help i'm stuck on two questions??? 23. On a velocity-time graph, when is the object not moving? when the slope is a straight line rising to the right when the slope is a straight line falling to the right when the slope is a line curving upward to the right at the ...
*October 12, 2013 by Mary Ann*

**HELP WITH ALGEBRA!!**

6. What happens to the graph of the line y = 3x -2 when the equation is changed to y = 3x +6? Look at the general equation for a straight line. It is y = mx + b where m is the slope and b is the y intercept. Therefore, the line crosses the y axis at -2 in the first equation ...
*November 1, 2006 by Margie*

**Maths**

Hi How can we get an equation for a straight line cause I went in many websites and nothing suited me thankx The equation for a straight line is: a x + b y + c = 0
*May 30, 2007 by Welsh*

**maths**

the straight line l1 has equation y=2x+3 the straight line l2 is parallel to l1 l2 passes through the point (3,2) find an equation for l2
*October 23, 2008 by alex*

**math**

Find an equation of the line having the given slope and containing the given point. m= -3, (1,3) The equation of the line is y =
*September 10, 2010 by SchuRonda*

**math**

Find an equation of the line having the given slope and containing the given point. m= -3, (1,3) The equation of the line is y =
*September 10, 2010 by SchuRonda*

**Algebra**

Find an equation of the line having the given slope and containing the given point. m=7/8, (5,-6) The equation of the line is y=?
*May 24, 2011 by Ann*

**Algebra**

Find an equation of the line having the given slope and containing the given point. M=6/7, (5,-2) The equation of the line is y =
*February 11, 2014 by Pam*

**Algebra**

Find an equation of the line having the given slope and containing the given point. M=4/5,(3,-1) The equation of the line is y=
*February 12, 2014 by Pam*

**Algebra**

Find an equation of the line having the the given slope and containing the given point. M=4/5,(7,-4) The equation of the line is y=?
*February 13, 2014 by Pam*

**math **

The equation of line AB is (y-3) = 5 (x - 4). What is the slope of a line perpendicular to line AB?
*February 27, 2014 by krista*

**college algebra**

1. for the given slope-inntercept equation of the line with the following properties parallel to the line y=7; containing the (-3,5) 2. write the equation of the circle in standard form. find the center, radius, intercepts. x^2+y^2+16x-18y+145=25 please show work
*December 3, 2012 by confused-steve please*

**math**

How do I know that x^2-7=y is a function? thanks you know its a function because its a parabola (x^2) parabolas are functions because there is only one x value per y value. So I know it is a function because it has (x^2)? Is that the rule? If it has x^2, it's a function and if...
*March 20, 2007 by Mimi*

**math**

1. The x-intercept of a line is -3. The y-intercept of a line is 6. What is the slope of the line? 2. What is the equation in slope-intercept form of the line described in Exercise 1? can you please explain and answer it?? im having lots of trouble with this. it's urgent... ...
*May 3, 2009 by xxx*

**12th Grade Calculus**

1. a.) Find an equation for the line perpendicular to the tangent curve y=x^3 - 9x + 5 at the point (3,5) [* for a. the answer that I obtained was y-5 = -1/18 (x-3) ] b.) What is the smallest slope on the curve? At what point on the curve does the curve have this slope? c.) ...
*November 28, 2010 by Eliza*

**calculus**

the tangent line to the curve y=1/3(x^3)-3x^2+11x+15 is parallel to the line 9x-3y=2 at two points on the curve.Find the two points.
*December 13, 2010 by Joseph*

**Logarithms**

I'm working on logarithmic equations and I'm stuck on how my book arrives at the next step. First, they use the change of base formula on, log(sqrt(2))(x^3 - 2) (sqrt(2)) is the base,changing to base 2 log(sqrt(2))(x^3 - 2)= log2(x^3 - 2)/(log2(sqrt(2)) I understand that part...
*March 9, 2011 by Helper*

**Geometry**

How do I find the distance between (-9,3) and (-1,-5) By using the Pythagorean theorem. The line between the two points is the hypotenuse of a triangle with perpendicular side lengths of 8 in the x direction and 8 in the y direction. The 8's come from the differences in x and ...
*June 14, 2006 by Kasey*

**Math help plz ASAP.**

Rationalize each denominator. 6 + square root of 2 ____________________________ square root of 3 PLZ HELP..dont kno how to do this question.plz explain..thanks You have (6 + sqrt(2))/sqrt(3) multiply that by sqrt(3)/sqrt(3) to get [(6 + sqrt(2))*sqrt(3)]/3 and simplify To ...
*October 15, 2006 by Karla*

**Math**

Here is the question: Is the product of two irrational numbers always an irrational number? Justify your answer. My answer is: No. The square root of two is an irrational number. If you multiply the square root of two by the square root of two, you get two which is a rational ...
*July 7, 2009 by B.B.*

**math-calc**

show that 1-(x/2) is the tangent line approximation to 1/sq rt(1+x) near x=0 i know the formula for apprx. is y = f(a)+f'(a)(x-a) but i don't understand how to work backwards to get this.
*October 19, 2008 by joe*

**Physics**

Find the slope of the line that is tangent to the given function’s graph for the specified value of the independent variable. f(x) = 9x – 8; x=10.
*February 2, 2010 by Kassie*

**Physics**

Find the slope of the line that is tangent to the given function’s graph for the specified value of the independent variable. f(x) = 9x – 8; x=10.
*February 2, 2010 by Kassie*

**Calculus**

Could you please help me with this question: Determine the values of x so that the tangent to the function (y=3/cubic root of x) is parallel to the line x+16y+3=0 Thank you
*February 18, 2010 by Kenny*

**calculus please help**

Use the four step process to find the slope of the tangent line to the graph at any point: f(x) = -1/2(x^2)
*February 11, 2011 by Anonymous*

**calculus**

Gah. Struggling over this for the past 20 minutes... Find the slope of the line tangent to the curve y=1/x at the point (2,0.5).
*September 24, 2011 by Anonymous*

**Calculus AP need help!**

i dont know how or what to starts Find the slope of the tangent line to the curve 4x^2+3xy+3y^3=-251 at the point (-4,-5)
*February 29, 2012 by stacey*

**Calculus AP **

implicit differentiation Find the slope of the tangent line to the curve xy^3 + 2y - 0.76 =0 at the point (-3, o.7) I'm lost. so 3xy^2 * y' + 2y = 0 right?
*March 1, 2012 by karen*

**Calc 3**

Find parametric equations for the tangent line to the curve of intersection of the paraboloid z = x^2 + y^2 and the ellipsoid 6x^2 + 5y^2 + 7z^2 = 39 at the point (−1, 1, 2)
*September 28, 2012 by Becky*

**calculus**

a) If x3 + y3 - xy2 = 5, find dy/dx. (b) Using your answer to part (a), make a table of approximate y-values of points on the curve near x = 1, y = 2. Include x = 0.96, 0.98, 1, 1.02, 1.04. (c) Find the y-value for x = 0.96 by substituting x = 0.96 in the original equation and...
*March 13, 2013 by Anonymous*

**calculus**

Determine whether the graph of the equation is symmetric with respect to the x-axis, y-axis, line y=x, line y=-x, or none of these. x+y=6 Do I have to move the y and 6 to the other side of the equations or does it not matter? Also, if I do, when I test using the equation a^2...
*August 11, 2010 by James*

**MATH**

if line segment AC =120ft and the ratio of line AB:line BC=3:5, what is the length of line AB ? I set up the equation as x:120,3:5 x/120=3/5 3/120=360, 360 divided by 5=72 the answer in the book is 45, need help
*October 27, 2008 by Rose*

**Math (Trig)**

I have a unit circle graph like the one at the top of a website (do a google search for 'unit circle trig functions' and click the second link, since I can't post links). I need to label the sine, cosine, tangent, secant, cosecant, and cotangent. I found several pictures that ...
*March 18, 2007 by Chris*

**Calculus**

Let f be the function given by f(x)=(x^3)/4 - (x^2)/3 - x/2 + 3cosx. Let R be the shaded region in the second quadrant bounded by the graph of f, and let S be the shaded region bounded by the graph of f and line l, the line tangent to the graph of f at x=0. Graph shown through...
*February 27, 2013 by Jessy152*

**algebra**

how would i find an equation of a line that goes through points(1,6) and (3,10)?? thanks A straight line is y=mx+b Substitute the points to make two equations. 6=m(1)+b 10=m(3)+b Two equations; two unknowns, m and b. Solve for m and b, then plug back into y = mx + b. That will...
*December 22, 2006 by jasmine*

**Integrals- Log/Ln**

Can you check this please i'm not sure why it's wrong .__. 1) indefinite integral of 1/t *ln(t) dt the t*ln(t) is altogether on the bottom i got ln(ln(x)) + C 2) find the indefinite integral of 1/(sqrt(t)*[1-2*sqrt(t)]dt sqrt(x) is on the bottom. i got -ln(1-2*sqrt(t))+C can ...
*May 24, 2013 by Erika*

**Calc**

1. The problem statement, all variables and given/known data cos(x) = -2 I was trying to solve that problem ignoring what people say about it not being defined and got a number strangely. I showed step by step so you can tell me what I did wrong as I don't think I did anything...
*July 27, 2010 by Kate*

**CALC**

1. The problem statement, all variables and given/known data cos(x) = -2 I was trying to solve that problem ignoring what people say about it not being defined and got a number strangely. I showed step by step so you can tell me what I did wrong as I don't think I did anything...
*July 27, 2010 by Kate*

**Math**

How do I find the equation of a tangent of y=cos(2x+(pi)/3) at x=(pi)/4
*August 17, 2010 by Kayla*

**Calculus**

if x=e^t and y=(t-3)^2 , find an equation y=mx+b of the tangent to the curve at (1,9).
*March 12, 2011 by Allison*

**maths**

1) Circle centre (7,-2) passes through (-2,10). Calculate radius and find equation of circle. 2) AB is diameter of circle A(9,5) B(-1,-7). Find equation of circle mid point. I know i have to use the eqn (x1+x2)/2 and (y1+y2)/2 3) Find the equation of circle with centre (-8,5...
*February 24, 2008 by Anonymous*

**Math**

1. Determine the equation of the right bisector of the line segment E(2, 6) and F(4, -2). Draw the diagram. 2. Given three points D(2, 5) E(-2, -3) and F(4, -6) determine whether or not the line through D and E is perpendicular to the line through E and F. 3. A triangle is ...
*June 30, 2014 by Madeline*

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