Friday

April 29, 2016
Number of results: 1,055

**math (graphing)**

I need to graph "y = -2x+5" and "y = 4/5x-3"... I don't think it's possible to help graphing on this site.. so can you please tell me any other sites where it would show how to graph those equations? also, I'm having trouble graphing INEQUALITIES. any help on that?? thanks a ...
*May 3, 2009 by xxx*

**Precal**

what should "window" be on the graphing calculator when graphing x^3-x^2-5x+2 to find the zeros?
*September 15, 2009 by itzel*

**ALGEBRA**

i AM HAVING TROUBLE GRAPHING SOLVING THE FOLLOING BY GRAPHING. cAN SOMEONE HELP PLEASE. 2X=Y=1 2X-Y=5 i do know that the lines do not intersect what do I do with the problem
*January 8, 2007 by DANIELLE*

**Graphing**

Without graphing, identify the slope and the y-intercept for the line associated with each equation or table of values 5x + 20y = 60
*June 23, 2010 by Lisa D*

**graphing**

how do you solve linear systems by graphing like x-y=2 x+y=-8
*April 19, 2009 by nicole*

**mat/116**

Thanks you guys for the past help, but I am stuck on this line graphing. So can someone help in solving and graphing this compound inequality. 9x+1>= -53 or 4x+3>= -9 what would the solution {xlx>...}be.
*January 29, 2011 by robbie*

**Chemistry Graphing**

So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually calculating the density. I originally thought that manually calculating was better, but my teacher told me that I would have to back that up with a lot of...
*September 22, 2013 by Anonymous*

**Graphing**

What are the steps to graphing this quadratic equation? Y=(-2x)^2
*July 23, 2010 by Nada*

**i need help on graphing**

solve each system by graphing 2x-y=4 5x-y=13
*December 7, 2011 by Mandy*

**Algebra 1**

Hello. I am having a bit of trouble understanding the following "Solve by Graphing. 3x + y = 5 -2x + 3y = 4" I know you can't see the graphing on this site, but I would really appreciate it if someone points me in the right direction in how to do this.
*July 18, 2010 by Tamir*

**Analytic Algebra**

Verify your results of the 2 linear equations by graphing in the desired graphing program and paste the graph in your assignment document (edit/copy image). 35x + 50y = 2220 x + y = 51 y = 29 x = 22
*November 12, 2012 by BJ*

**Pre-Calculus**

I transfered classes and they use graphing calculators. I've never used the graphing functions on mine. We were supposed to graph exponetial functions. Help?
*November 13, 2007 by Kellie*

**Math**

If (a,-3) is a point on the graph of y=x^2+4x, what is the value of a? so far i have -3=x^2+4x i can do the problem on my graphing calc but we can't use a graphing calc on the test so i need to know how to do it by hand. what do i do next?
*January 20, 2010 by Karen*

**Algebra 2**

I need help with this problem because I do not have a graphing calculator. Explain how you would solve this equation using your graphing calculator in five steps then give the solution. 2x- 3y=8 5x+ 4y= 11
*October 23, 2007 by Christian*

**Math**

If I were to graph 20a+34b is greater than or equal to 240, which would be the easier way: graphing it by finding the x and y intercepts, or graphing it by finding the slope and y-intercept?
*April 13, 2009 by Angie*

**MATH**

Which method of solving quadratic equations should be used when only an estimated solution is necessary? factoring quadratic formula graphing MY GUESS GRAPHING?
*February 26, 2015 by Meredith Grey*

**algebra**

solve by graphing 1.80+.2x=y 2.10+.15x=y solve by graphing 20+20x=y 200-25x=y
*January 14, 2013 by hernan*

**Graphing Functions**

Can someone point me to a starting point in graphing f(x)= 25/cos x If it weren't a fraction and a cosine, I'd try to build a table of coordinates. This one, I have no start point. Thanks
*August 2, 2007 by charlie*

**Univ of Phoenix**

Solve the system of equations by graphing. Then classify the system. x+y=9 x-y=3 Use graphing tool to graph the system
*December 20, 2011 by Yvette*

**logarithmic eq:**

3logx = 6-2x Thanks This is a problem that is best solved by iteration, or graphing. I recommend graphing. There is no closed-form solution. You need to solve it by graphical or iteration (trial and error) methods. The answer is approximately 2.43, if the log base is 10.
*February 23, 2007 by Jen*

**Algebra 2(graphing)**

Solve 2x^2=3x+2 by graphing. If exact roots can't be found, state the consecutive integers between which the roots are located. Can you show how to do this step by step?
*November 6, 2007 by Chels*

**MATH _ GRAPHING RATIONAL FUNCTIONS**

When graphing rational functions, how do I know which directions the graphs go? Example, for equation y = 9/x - x, how would you graph this? Also, why is the horizontal asymptote for f(x)= 2+x / x-7 is 1 instead of 0?
*October 14, 2007 by Anonymous*

**algebra**

Can someone please help. When graphing the equations y = 2x – 2, y = 2x, and y = 2x + 3, what observation can you make about the graphs. Can you make the same observation before graphing the lines? How? Thanks
*March 1, 2012 by algebra need help*

**graphing trig functions**

for graphing basic trig functions such as y=2sinx or y=1/3cosx, how do you know what the points are to graph with out using a calculator?
*May 18, 2012 by bkue*

**Trigonometry**

I'm having a lot of trouble with graphing trig functions. Can anyone tell me how to graph this equation on a graphing calculator? Sketch the graph of y= sin x in the interval 0 ≤ x ≤4π
*April 3, 2012 by Peter pan*

**Pre-algebra**

When graphing the equations y =2x-2,and y=2x+3, what observation can you make about the graphs. Can you make the same observation before graphing the lines? How?
*October 6, 2015 by Angela*

**algebra**

When graphing the equations y =2x -2,y=2x.and y = 2x + 3, what observation can you make about the graphs. Can you make the same observation before graphing the lines? How?
*February 15, 2012 by Sissy needs help*

**algebra**

When graphing the equations y = 2x – 2, y = 2x, and y = 2x + 3, what observation can you make about the graphs. Can you make the same observation before graphing the lines? How?
*March 4, 2012 by algebra 3/4/12*

**graphing linear equations**

i need help graphing the equations 3y+4x=12, x-2y=3, AND 3x+2y=8 Quick... thanks!!!
*January 7, 2008 by Kayla*

**precalculus**

Use the Intermediate Value Theorem and a graphing utility to find intervals of length 1 in which the polynomial is guaranteed to have a zero. Use the root feature of a graphing utility to approximate the zeros of the function. h(x)=x^4-10x^2+2
*December 26, 2010 by janet*

**algebra**

Explain why the point-slope formula cannot be used to find the equation of a line that is parallel to the y-axis. When graphing the equations y =2x -2,y=2x.and y = 2x + 3, what observation can you make about the graphs. Can you make the same observation before graphing the ...
*February 15, 2012 by Sissy needs help*

**graphing calculator**

anybody have a graphing calculator on them? Can you please enter: a) binomcdf(10,1/5,4) b) 1-binomcdf(10,1/5,6) c) binompdf(95,0.3,30) I forgot my calculator at school, if you could write out the full answer it would be much appreciated. Thank you!
*May 24, 2011 by steve*

**Math**

Graph the equation. Be sure to simplify equation before graphing it. -18+2y=-7y I got the answer y=2 because I subtracted 2 from both sides got -9 then divided by -18 and got 2. y=2. So now can someone help me with graphing the points?
*April 22, 2014 by Christopher*

**Algebra 2**

I need help with this problem because I do not have a graphing calculator. Explain how you would solve this equation using your graphing calculator in five steps then give the solution. 2x- 3y=8 5x+ 4y= 11 Also how do you determine how many solutions a system of equations has ...
*October 22, 2007 by Christian*

**Math**

I have a problem in graphing that says: Find 2 numbers that satisfy this equation, then graph. The graphing I can do but am having trouble finding 2 numbers. I thiink that one of the numbers is -1. What could the other one be? Thanks so much in advance! Betty
*September 13, 2007 by Betty*

**algebra**

1)Identify the y-intercept and the axis of symemetry for the graph of f(x)=-3x^2+6x+12. answer=12:x=1 2)Determine whether f(x)=-5x^2-10x+6 has a maximum or minimum value and find that value. answer=maximum -1 3)Solve x^2=4x by graphing and indicate the roots. answer=0,4 4)...
*August 14, 2007 by Marissa*

**algebra**

The revenue achieved by selling x graphing calculators is figured to be The cost of each calculator is How many graphing calculators must be sold to make a profit (revenue - cost) of at least $466.20?
*November 16, 2015 by Sara*

**graphing an equation**

I am getting stuck on graphing equations. when something says y=1/2x-4.....I am supposed to put in numbers for x. however, I am stuck on the concept of how to divide by the fraction. Lets say x=2 y=1/2(2)-4 I am totally stumped on if I need to make two into a fration or ...
*August 22, 2010 by Ryan*

**Algebra2/Trig**

Find all the zeros of the function and write the polynomial as a product of linear factors. g(x)=3x^3-4x^2+8x+8 On my graphing calculator it says that it is -2/3. But when I do it by hand using synthetic division, I don't get a zero. I'm going crazy here... I've tried -2/3 and...
*January 6, 2009 by Vincent*

**Math - Algebra**

A. Solve the following quadratic equations. Make sure to show all your work. Do not use any method (e.g. factoring, completing the square, quadratic formula, graphing) more than twice. Use the graphing method at least once. 1. 3x+2 + 11x -20 =0 2. x2 + 3x -4 =0 3. 3x2 - x - 1...
*January 9, 2007 by Angela Again!*

**Algebra (Graphing Calculator)**

When trying to perform a linear regression, my fx-9750II calculator doesn't give me the option of graphing once I put the info into lists. The options it gives me are "SRT-A", "SRT-D", "TOP", and "BTM", but no "GRAPH". I don't know what I'm doing wrong. Any help, advice or ...
*January 23, 2014 by Beth*

**Determine without graphing**

Determine without graphing, whether the given function has a maximum value and then find the value. f(x)=3x^2+30x-1
*March 15, 2013 by Jenn*

**Graphing and Exponential Function**

I really don't understand on graphing exponential function. Can anyone help? It is difficult to answer this. Make a table of values, say. y x for the function y=e^x fill in the table, plot the points.
*February 27, 2007 by Brittany*

**algebra**

i need to download a graphing calculator onto my computer. i have tried grapgcalc . com and gcalc . com but my computer will not dowmload from these sites. anyone know where i can download a graphing calculator?
*October 28, 2007 by Ally*

**pre-calculus 11 **

I have the question what is the equation of the function in the form f(x) = 1/x-c for the function with a vertical asymptote at x=1? sketch the graph. I am uncertain how I plug this into a graphing calculator. Could I substitute 1 for x and then put an x in for c to input this...
*June 10, 2015 by george *

**math, graphing**

why isn't the answer just one point or just one line when graphing inequalities Because the answer can equal more or less than the line that was graphed
*May 2, 2007 by chantel*

**Math**

solve by graphing x-2y=8 and x+2y=0 x=8+2y points (10,1), (12,2)would be graphed x=0-2y points (-2,1), (-4,2)would be graphed to form a slope i got the graphing correct but what would be the solution...how would i write it?
*November 12, 2015 by Alea*

**excel graphing**

In cell D21, type the formula to calculate the % change from January to February. That formula is: =(J18-E18)/ABS(E18). Format the result in the Percentage style and decrease the decimal places if necessary to round the result to the nearest whole percent (569.46-521.07)/abs(...
*May 25, 2011 by kayla*

**another problem**

what is the square root of 3.467 x 10^8? I relaly do not know how to punch this into my calculator because I do not have a graphing calculator You don't need a graphing calculator. Punch in 3.467E8 and hit the square root button. The answer is 1.862E4
*August 7, 2007 by Trammy*

**Pre-Calculus **

1) Use a graphing utility to obtain the graph of the function. Give the domain of the function and identify any vertical or horizontal asymptotes. x+4/ x^2+x-6. 2) Use a graphing utility to graph the function and determine the x-intercepts and B. set y=0 and solve the ...
*April 8, 2011 by Addy*

**Math**

I'm having a hard time with graphing this problem. Could someone please help? Graphing has never been one of my strongest points. Graph the system of inequalities. x+3y is less than or equal to 9, 3x+y is less than or equal to 9, x is greater than or equal to 0, y is greater ...
*April 9, 2010 by B.B.*

**graphing**

im not sure how to do this question A student fires a model rocket into the air. The rocket reaches a maximum hieght of 24.8 meters and lands 55 meters from the student. (assume parabola and no wind) a. list three points of trajectory(coordinate pairs) b. determine the ...
*February 22, 2013 by Anonymous*

**Algebra**

Solve each system graphically. 4y = x + 8 3x - 2y = 6 Basically, what I have to do is find at least one point that works. I tried graphing it on graph paper, and it looked like about (1, 3.5). But when I tried placing in the equations, it did even work in the first one. I do ...
*February 18, 2009 by Suzanne*

**College Algebra**

A calculator company produces a scientific calculator and a graphing calculator. Long-term projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than 200 scientific and ...
*March 3, 2013 by Anonymous please help :) *

**College Algebra**

A calculator company produces a scientific calculator and a graphing calculator. Long-term projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than 200 scientific and ...
*March 4, 2013 by Anonymous PLEASE HELP!*

**College Algebra**

A calculator company produces a scientific calculator and a graphing calculator. Long-term projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than 200 scientific and ...
*March 4, 2013 by Anonymous PLEASE HELP!*

**algebra**

The Everton College store paid $1926 for an order of 50 calculators. The store paid $10 for each scientific calculator. the others, all graphing calculators, cost the store $56 each. How many of each type of calculator was ordered? scientific? graphing?
*December 16, 2009 by akaray*

**General Chem**

So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually calculating the density. I originally thought that manually calculating was better, but my teacher told me that I would have to back that up with a lot of...
*September 22, 2013 by Anonymous*

**Trigonometry**

Directions: Use a graphing utility to approximate the solutions of the equation in the interval [0,2π) by setting the equation equal to zero, graphing the new equation, and using the ZERO or ROOT feature to approximate the x-intercepts of the graph. (Note: These problems ...
*February 20, 2013 by AwesomeGuy*

**algebra 1**

I still don't understand can someone help me? the everton college store paid $1553 for an order of 42 calculators. the store paid $9 for each scientific calculator. the others, all graphing calculators, cost the store $56 each. how many of each trupe of calculator was ordered...
*September 29, 2009 by spirit73*

**math **

1. what is the term for data that are grouped closely together? a. outlier b. liner c. positive d. clustering 2. what association would you expect if you was graphing height and weight ? a. position b. nonlinear c. negative d. none of these 3. what association would you expect...
*March 14, 2016 by UNKNOWN*

**math correction**

graphing : y = 3/4x +2 the points i have are: (-3, -1/4), (-2,1/2),(-1,1 and 1/4)0,2),(1, 2 and 3/4),(2, 3and 1/2)(3, 4 and 1/4),(4,5) Question: If you graphed this...did the points fall on the line? If they did, they have to be points on the line. graphing : y = 3/4x +2 the ...
*January 14, 2007 by jasmine20*

**algebra 1**

the everton college store paid $1553 for an order of 42 calculators. the store paid $9 for each scientific calculator. the others, all graphing calculators, cost the store $56 each. how many of each trupe of calculator was ordered? the store ordered: how many scientfic ...
*September 28, 2009 by spirit73*

**pre-calculus**

In the following exercise, find the smallest interval for theta [from this point on i will denote theta as '*' for ease of typing] starting with * min= 0 so that your graphing utility graphs the given polar equation exactly once without retracing any portion of it. r= 4sin(*) ...
*April 19, 2007 by Chris*

**Algebra**

This will be a multiple post thing so please bear with me. If my answers are wrong then please explain I'll post my work as needed thanks. 1)Identify the y-intercept and the axis of symemetry for the graph of f(x)=-3x^2+6x+12. answer=12:x=1 2)Determine whether f(x)=-5x^2-10x+6...
*August 12, 2007 by Marissa*

**Math (Algebra)**

I sent my professor asked the pros and cons of each method, I answered with this; When graphing; pros are that graphing gives you a picture of what the solution is. Cons would be is that graphing is not always accurate and it is difficult to see the location of the points. (...
*June 23, 2010 by Lynn*

**Algebra**

Questions on piecewise function graphing Obviously I can't get help with the actual graphing here but I am hoping someone can push me in the right direction Problem: f(x) {4, if 0<=x<2} {5, if 2<=x<4} {6, if 4<=x<6} So how would I get started? What does the 4...
*September 6, 2011 by Linda*

**Math - graphing **

i am having trouble with a graphing calculator please help with these two questions 1. a census was taken from 2012 to 2020. the data collected is given in the following table. 2012-2020 L1 l2 0 6000 1 6300 2 6615 3 7012 4 7362 5 7878 6 8429 7 9272 8 10199 a) what is the ...
*February 21, 2013 by Tara*

**Drawing polar curve**

How do you draw a polar curve? For example, r=2+cos2(thetha) You need to plot points where theta varies from 0 to 2pi, unless you have a graphing program (which I do). Your example looks like 2 overlapping circles. so u mean that it can't be drawn by hand? You can draw it by ...
*September 26, 2006 by J.*

**TI-86 calculator**

How do you afte entering data into the table find that equation of a line? Thank you for using the Jiskha Homework Help Forum. If the following site, which is a tutorial, does not help you,there are other sites on the Web as well if you use a Search Engine searching for "TI-86...
*November 27, 2006 by George*

**Math**

Select all the true statements about identities. A) You may use proven identities to prove other identities. B) An identity is true only for restricted values of the variables. C) You can prove an identity by graphing the side to the left of the equal sign, graphing the side ...
*October 14, 2014 by TeeKay*

**math**

what is 5x+5y+25=0 graphing
*December 22, 2009 by Anonymous*

**Graphing Method**

y=4x+3 y=x-5
*July 4, 2011 by Lexi*

**Coordinate Graphing**

3x + 2=y; y=5
*May 24, 2015 by Edward*

**Algebra (Math)**

Without graphing, name the ordered pair where the graphs of the two linear equations intersect. (Below is the system.) { x = 2 y = -3 Without graphing, name the ordered pair where the graphs of the two linear equationd intersect. (Below is the system.) { y = 2 x + 2y = 10 For ...
*March 25, 2015 by Kylie*

**MATH! HELP!!!**

I am putting < for the square root abbreviation. I don't know how to use it on my comp. 3<99-2<44-6<11=? For Further Reading On a graphing calculator, the carrot symbol is used to show exponents. that’s what I used here. Solve your exponents first: 3^99, then 2^44...
*February 22, 2007 by Andrea*

**math**

graphing lines:x+5y=25
*November 2, 2009 by bob*

**Algebra 2**

Solve By graphing 2x+y=2 2x+y=6
*November 8, 2009 by saRa*

**algebra 2**

Solve by graphing 3x+y=15 3x+y=6
*November 8, 2009 by saRa*

**Algebra 1**

x^2 + 16=0 Solve by graphing
*November 12, 2009 by Zach*

**Solve and Graphing Inequalities**

x>4, and 2x/6<6?
*April 11, 2010 by Michael Rawls*

**algebra**

solve by graphing 2x+y=1 and x-y=2
*December 13, 2010 by Tami*

**Algebra**

Solve by graphing y=-1/4x +4 y=7/4x -4
*August 23, 2013 by Anonymous*

**algebra**

Solve the following by graphing: 2x - y = 4 2x - y = 6
*December 26, 2007 by BB*

**algebra**

Solve the system by graphing. 4x+2y=10 y=4
*January 10, 2008 by bjb*

**algebra**

Solve the system by graphing. 3x-y=1 3x-y=2
*January 10, 2008 by beckyb*

**algebra**

solve system by graphing 3x+y=6 and 3x-y=0.
*February 5, 2008 by dennis*

**algebra**

Q: when graphing the equation y = 4/3x + 2, the y intercept is ? A: (0,2)
*October 4, 2008 by Carmen*

**math**

how can you solve a system by graphing?
*April 2, 2009 by Angie*

**Algebra **

Graphing the system of inequalities. y>= -5 x>= 6
*October 10, 2009 by Tina*

**algebra 2**

Solve the system by graphing 2x+y=4 2x+y=2
*November 8, 2009 by saRa*

**math**

when graphing what is the definition of a scale?
*January 13, 2010 by amber*

**Algebra**

i need help with graphing inequalities ex: y < 4 + x
*January 28, 2010 by Rachel*

**math**

Find the inverse for graphing y=f(x)=3^-x
*July 26, 2010 by angelica*

**arithmetic**

graphing/rounding discmals
*October 18, 2010 by Meranda*

**math**

graphing with out an equasion...y=-x
*February 22, 2011 by Scott*

**Algebra**

Linear Function graphing. y=-x ???
*February 7, 2013 by Greg*

**algebra**

{-3x - y= -10 { 4x - 4y = 8 Solve the system by graphing
*September 11, 2013 by Finally Finishes*

**math**

please solve x+y = 1 and y-x=1 by graphing
*March 24, 2015 by Anonymous*

**Math for Ms. Sue please! Last math questions!**

1. What is the term for data that are grouped closely together? (1 point) outlier linear positive clustering 2. What association would you expect if graphing height and weight? (1 point) positive nonlinear negative none of these 4. What association would you expect if graphing...
*March 15, 2013 by Delilah*