graphing!

1,143 results

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 ...

Precal

what should "window" be on the graphing calculator when graphing x^3-x^2-5x+2 to find the zeros?

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

Graphing

Without graphing, identify the slope and the y-intercept for the line associated with each equation or table of values 5x + 20y = 60

graphing

how do you solve linear systems by graphing like x-y=2 x+y=-8

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.

Math, Algebra, Graphing Systems of Linear Equation

I'm confused about graphing or solving the linear equations for slope/intercept. Here is what I solved: 3x+2y=-6 X-4y=-16 2y= -3x-6 -4y=1x-16 Y=-3/2+3 Y=+1/4+4 ------------- My answer for graphing the systems for the lines to intersect...well, they didn't intersect. But the ...

Math, Algebra, Graphing Systems of Linear Equation

I'm confused about graphing or solving the linear equations for slope/intercept. Here is what I solved: 3x+2y=-6 X-4y=-16 2y= -3x-6 -4y=1x-16 Y=-3/2+3 Y=+1/4+4 ------------- My answer for graphing the systems for the lines to intersect...well, they didn't intersect. But the ...

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...

Graphing

What are the steps to graphing this quadratic equation? Y=(-2x)^2

i need help on graphing

solve each system by graphing 2x-y=4 5x-y=13

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.

What advantages does the method of substitution have over graphing for solving systems of equations? Choose the correct answer below. A. Graphing cannot be used to solve dependent or inconsistent systems due to the nature of the lines involved. Substitution can solve these. B...

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

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?

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?

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

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?

MATH

Which method of solving quadratic equations should be used when only an estimated solution is necessary? factoring quadratic formula graphing MY GUESS GRAPHING?

algebra

solve by graphing 1.80+.2x=y 2.10+.15x=y solve by graphing 20+20x=y 200-25x=y

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

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

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.

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?

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?

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

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?

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

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?

Algebra 2

1. By graphing the system of constraints, find the values of x and y that maximize the objective function. 2<=x<=6 1<=y<=5 x+y<=8 maximum for p=3x+2y A. (2,1) B. (6,2) C. (2,5) D. (3,5) 2. By graphing the system of constraints, find the values of x and y that ...

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?

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?

graphing linear equations

i need help graphing the equations 3y+4x=12, x-2y=3, AND 3x+2y=8 Quick... thanks!!!

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

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 ...

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!

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?

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 ...

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

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)...

Calculus

Use a graphing utility to graph the polar equation shown below. r = cos 5Θ + n cos Θ, 0 ≤ Θ ≤ π For the integers n = -5 to n = 5. As you graph these equations, you should see the graph change shape from a heart to a bell. I'm sorry. I'm having issues with graphing this.

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?

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 ...

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...

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...

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 ...

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

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.

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?

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...

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

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?

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(...

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

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 ...

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 ...

Calculus

Find the minimum value of the following function: h(x)= x-(12(x+1)^(1/3) -12) on the interval [0, 26] Honestly, I have found by graphing that the minimum value is at the coordinate point (9,-3), but I need to do this in a way that uses a more "calculus-like" method if you ...

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 ...

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 ...

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 ...

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 ...

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 ...

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?

Math

Gym1 has \$40 fee + \$10 towel fee + \$25 per month. Gym2 has \$50 fee + \$15 per month + \$10 Zumba class per month - solve by elimination or by graphing when do the two gyms cost the same? 40 + 10 + 25m 50 + 15m not sure what to do with the 10m as this wont always be spent? Have ...

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...

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 ...

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...

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...

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 ...

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 ...

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(*) ...

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...

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. (...

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...

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 ...

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 ...

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...

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 ...

math

what is 5x+5y+25=0 graphing

y=4x+3 y=x-5

3x + 2=y; y=5

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 ...

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^...

math

graphing lines:x+5y=25

Algebra 2

Solve By graphing 2x+y=2 2x+y=6

algebra 2

Solve by graphing 3x+y=15 3x+y=6

Algebra 1

x^2 + 16=0 Solve by graphing

x>4, and 2x/6<6?

algebra

solve by graphing 2x+y=1 and x-y=2

Algebra

Solve by graphing y=-1/4x +4 y=7/4x -4

algebra

Solve the following by graphing: 2x - y = 4 2x - y = 6

algebra

Solve the system by graphing. 4x+2y=10 y=4

algebra

Solve the system by graphing. 3x-y=1 3x-y=2

algebra

solve system by graphing 3x+y=6 and 3x-y=0.

algebra

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

math

how can you solve a system by graphing?

Algebra

Graphing the system of inequalities. y>= -5 x>= 6

algebra 2

Solve the system by graphing 2x+y=4 2x+y=2

math

when graphing what is the definition of a scale?

Algebra

i need help with graphing inequalities ex: y < 4 + x