Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

Tutors Answer Your Questions about Graphs (FREE)

Question 167580: write an equation of the line that passes through given line. write answer in slope intercept form. (0,8), 8y-16x=6
Click here to see answer by Alan3354(69443)

Question 167580: write an equation of the line that passes through given line. write answer in slope intercept form. (0,8), 8y-16x=6
Click here to see answer by jojo14344(1513)

Question 167602: graph: y = x squared - 4x - 3
Click here to see answer by Alan3354(69443)

Question 167601: find the x and y intercepts:
y = x squared + 8x + 14
Click here to see answer by Mathtut(3670)

Question 167601: find the x and y intercepts:
y = x squared + 8x + 14
Click here to see answer by Alan3354(69443)

Question 167597: i need help on how to graph this linear equationusing three points?
2x+y=6
Click here to see answer by Mathtut(3670)

Question 167635: How would you graph that equation?
Click here to see answer by jim_thompson5910(35256)

Question 167717: what equation would shift the following parabola to the right 5 units f(x)=-7x^2+5?
Click here to see answer by jim_thompson5910(35256)

Question 167718: y=1/3x
Click here to see answer by jim_thompson5910(35256)

Question 167812: Solve each system by graphing.
y = 2x + 1
X +Y = -2

Click here to see answer by salvyb(3)

Question 167903: graph slope intercept method 10x -2y =4
y=mx + b
-2y = -10x + 4
-2y/-2= -10x/-2 + 4/-2
y= 5x +-2
am I on the right track
Click here to see answer by checkley77(12844)

Question 167902: graph slope intercept method 10x -2y =4
y=mx + b
-2y = -10x + 4
-2y/-2= -10x/-2 + 4/-2
y= 5x +-2
am I on the right track
Click here to see answer by checkley77(12844)

Question 167884: write the equation in slope-intercept form and then graph the equation
y=2/3x
Click here to see answer by checkley77(12844)

Question 167876: Can somebody help me solve this question for Elementary stats class:
A final exam in math 160 has a mean of 73 with a standard deviation 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is less than 70.
How would you find the answer on the TI 83 graphing calculator. or is there another formula you could use to solve the question besides using the calculator.

I'm not sure for what section my question belong to but feel free to move it to where it fits right.
Click here to see answer by Edwin McCravy(20055)

Question 168000: I having problems getting the points to graph the inequality
y > 2x + 3

Click here to see answer by KnightOwlTutor(293)

Question 167314: Solve by graphing if necessary estimate answers to the nearest half unit.
x - 2y = - 6
y = - 3/2 x - 1
Click here to see answer by jojo14344(1513)

Question 168083: The vertex of a quadratic function is (-5,-3) and the graph of the function contains the point (1,2). Is this enough information to determine the equation of the function? if so, give the equation of the function. if not explain why.

Click here to see answer by jojo14344(1513)

Question 168100: consecutive even integers: find four consecutive even integers whose sum is 340
Click here to see answer by Alan3354(69443)

Question 168136: Ground beef sells for $4.75 per kg and ground pork sells for $5.50 per kg. How many kilograms of ground pork should be mixed with 8 kg of ground beef to make a mixture that sells for $5.10 per kg?
Click here to see answer by Mathtut(3670)

Question 168135: Ground beef sells for $4.75 per kg and ground pork sells for $7.60 per kg. How many kilograms of ground pork should be mixed with 8 kg of ground beef to make a mixture that sells for $5.10 per kg?
Click here to see answer by gonzo(654)

Question 168163: Use only the slope and y-intercept to graph the following equation.
3x = 2y

-AND-

x + 5y = 5

I need to find out the slope and y-intercept of the two above questions, and how you got it?.....PLEASE....needed before 7:45 eastern time.
Click here to see answer by stanbon(75887)

Question 168185: How do you graph wax on a TI-81 calculator
Click here to see answer by stanbon(75887)

Question 168221: Given h(x)=x+5;D={Reals}, g(x)=x-7;D={integers}. Find the algebriac sum (h+g)(x).
Click here to see answer by stanbon(75887)

Question 168225: A car traveling at 50 miles per hour uses 2 gallons of fuel. The fuel tank has a capacity of 20 gallons. Let t be the time in hours, x be the distance traveled, and y be the number of gallons remaining in the fuel tank. Write parametric equations for x and y in terms of t.
Click here to see answer by stanbon(75887)

Question 168217: Hannah lives 5 miles from school. Ellen lives 9 miles from school. Write an inequality to represent the possible distances between their homes.
Click here to see answer by stanbon(75887)

Question 168224: how do you graph equations? can i have it step by step.

Click here to see answer by checkley77(12844)

Question 168238: can anyone help me work this one out?
-x+3y=-1, x-2y=2
Click here to see answer by edjones(8007)

Question 168251: I am having a problem with this one.
4x-3y=-2, 4x+5y=14
Click here to see answer by edjones(8007)

Question 168323: I need help solving this one, if anyone could help?
2x-5y=11, 4x+10y=18
Click here to see answer by Alan3354(69443)

Question 168373: How would I find the solution to the system, x+y= -4 3x-y=-4 by graphing?
Click here to see answer by checkley77(12844)

Question 168372: How would I find the solution to the system, x+y= -4 3x-y=-4 by graphing?
Click here to see answer by checkley77(12844)

Question 168406: Hello,
I have many problems graphing equations such as: y=3X=8 How do you know where to graph it(put the dots and lines)? (without using a calculator) and solving systems if of equations by graphing
ex)
3x+y + -2
6x + 2y = 10
Click here to see answer by Alan3354(69443)

Question 168446: how do you find the slope of a line
Click here to see answer by Mathtut(3670)

Question 168455: Thank you in advance for you help with this.. I am not sure if this is the correct category of help. The problem is a function that I need to graph.
Graph each quadratic equation: f(x)=2(x-3)^2-1. I appreciate it.
Click here to see answer by oscargut(2103)

Question 168468: A high school class wants to raise money by recycling newspapers. The class decided to rent a truck at a cost of $150 for the week. The market price for recycled newspapers is $15 per ton. Write an equation representing the amount of money the class will make based on the number of tons of newspapers collected.
Click here to see answer by 303795(602)

Question 168515: The daily cost to rent a raft includes a paperwork charge of $5 plus $2 per hour. Write a linear equation for the cost of the raft rental in terms of the number of hours used. Let Y be the cost and X be the number of hours used.
Click here to see answer by Mathtut(3670)

Question 168252: 2x-5y=11, 4x+10y=18
Click here to see answer by jojo14344(1513)

Question 168522: I've checked all over this site, but can't find a response for these 2 problems.
Please help!
1.Find the coordinates of the point C, halfway between the points A(5,1) and B(-2,7).
2. What is the equation of the perpendicular bisector of teh line between the points (2,2) and (6,6)?
Thanks in advance for any help!
Andrew
Click here to see answer by Alan3354(69443)

Question 168253: Use the graphing method to solve the system.
7x+3y=5 2x-y=-1
3x-22y=12 x+2y=7
Click here to see answer by jojo14344(1513)

Question 168541: solve each system by grapting
1. 4y=x+2
2x+y=5

Click here to see answer by checkley77(12844)

Question 168540: 4x^2-28xy+49y^2
Click here to see answer by checkley77(12844)

Question 168467: Bill is paid hourly. If he works 8 hours he will receive $50. Write an equation for his salary based on the number of hours he works. . EXPLAIN WHAT YOU DID TO GET YOUR ANSWER!
Click here to see answer by checkley77(12844)

Question 168638: graph and check
x-y=1
5x-4y=0
Click here to see answer by jojo14344(1513)

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