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

Tutors Answer Your Questions about Graphs (FREE)

Question 54293: I have an graph questions to be asked, but don't know how to show them here.
I might be able to explain the problem, but how do I graph it?
Lost-
Sher
Click here to see answer by jainenderkapoor(61)

Question 54309: what is -4x-5=2(3x+2)
Click here to see answer by consc198(59)

Question 54323: 1. Determine the equation of the line that passes through the points (-4, 3) and (2,2).
2+-4 = 2
2+(-3)= 5
y+y=2/5 {x+(-4)}
y+y=2/5x+8/5
y=2/5x+8/5-2/5=2/5x=5/5=1

2. Find the x and y intercepts and the slope of the line for 4x-3y=-6
-3y=-4x-6
-3y -4x =-6
___ ___ ___
-3 -3 3-
y=3/4x -2
=4/3 y=0,4
x=3,0

3. Graph y = -3/4x -2

4. Graph 3x+2y= -6

Click here to see answer by stanbon(75887)

Question 54388: Write the standard from of the equation and the general form of the equation of each circle of radius r and center (h,k);graph each circle.

The problem says: r=4; (h,k)=(2,-3)
Click here to see answer by stanbon(75887)

Question 54479: Find the equation of the line (in slope-intercept form) that passes through the origin and the center of the circle 2x^2 + 2y^2 + 12x + 8y + 9 = 0.
Click here to see answer by stanbon(75887)

Question 54328: x-2y=4
Click here to see answer by funmath(2933)

Question 54478: Given a circle: (x-4)^2 + (y+5)^2 = 5, find the equation of the line (in slope-intercept form) that is tangent to this circle at the point (3,-7). Hint: use the fact that a tangent line is perpendicular to the radius of the circle at the point where they meet.
Click here to see answer by josmiceli(19441)

Question 54362: Natalie has some nickels, Dirk has some dimes, and Quincy has some quateres. Dirk has five more dimes than Qunicy had quarters. If Natalie gives Dirk a nickel, Dirk gives Qunciy a dime, and Quincy gives Natalie a quater, they will all have the same amount of money. How many coins did each have orignially?
Click here to see answer by josmiceli(19441)

Question 54571: Find the x-intercept and y-intercept of the following line: (x/4) + (y/5) = 1.
Click here to see answer by anjulasahay(30)

Question 54361: Draw a line that crosses both the x and y axes.
a)Find the slope and y intercept of this line
b)Write the equation in slope intercept form
c)Rewrite the equation in standard form
d)Draw a line that is perpendicular and write its equation
e)Draw a line that is perpendicuar to line in part d, write its equation
f)Draw a line tha tis perpendicular to line in part e, write its equation
g)What shape did you make with your graph?
Click here to see answer by funmath(2933)

Question 54631: Translate the following statements into inequalities. Let x represent the number in each case
2 times a number, increased by 28, is less than or equal to 6 times that number.

Click here to see answer by stanbon(75887)

Question 54634: solve for x please
3x - 5(3x - 7) = 2(x + 9) + 45
Click here to see answer by tutorcecilia(2152)

Question 54646: given line1 passing through the points (-4,-1) and (-1,0) and line2 passing through the points (5,8) and (0,4) are the lines parallel, perpendicular, or neigher?
Click here to see answer by tutorcecilia(2152)

Question 54679: how do you find the y-intercept to an equation like this y=3/5x-4

Click here to see answer by stanbon(75887)

Question 54682: Statistics. Sam must have an average of 70 or more in his summer course to
obtain a grade of C. His first three test grades were 75, 63, and 68. Write an inequality
representing the score that Sam must get on the last test to get a C grade.

Click here to see answer by checkley71(8403)

Question 54652: What is the equation of the line having slope -4/5 and y intercept 3 in slope-intercept form?
Click here to see answer by rchill(405)

Question 54648: Solve each of the following equations for x, and check your results
2(x -3) - 3(x + 5) = 3(x - 2) � 7 = x = -2
Click here to see answer by funmath(2933)

Question 54823: PLEASE HELP ME WITH THIS PROBLEM:
The figure shows the graph of y=(x-3)(x-5)(x-a). Determine the value of a.
Click here to see answer by funmath(2933)

Question 54836: Can someone help me on this?
I need to graph the solution set of x > -7.
-

Thanks, Lyn
Click here to see answer by funmath(2933)

Question 54918: What is the rule for x 1 2 3 4 5 6
y-1-4-7-10-13-16
Click here to see answer by stanbon(75887)

Question 54918: What is the rule for x 1 2 3 4 5 6
y-1-4-7-10-13-16
Click here to see answer by wgomero(28)

Question 54865: I NEED TO GRAPH f(X)=x^3-7x I got the following points (0,0),(1,-6), (-1,6), (2,-6), (-2,6). I know it has to be "s" shape graph but it doesn't come out right, please help, i don't know what i'm doing wrong
Click here to see answer by rapaljer(4671)

Question 54960: Can someone help me do this equation? I am completely lost. This is my first one and don't know how to do it.
2x + 3y =6
Thanks, Ashley
Click here to see answer by stanbon(75887)

Question 54981: 18. Write the equation of the line passing through (�3, �7) and (�3, �6).
A) x = �3
B) y = �3
C) y = x � 3
D) y = x
no book. thanks!!!!!
Click here to see answer by funmath(2933)

Question 54984: Can someone help me graph this equation?
The cost of producing a number of items x is given by C = mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item)
(a) If the fixed cost is $40 and the variable cost is $10, I need to write the cost equation.
(b) Graph the cost equation
Thanks, Ashley
Click here to see answer by Nate(3500)

Question 55005: can u please help me solve and graph..thanks
3x-4y<12
Click here to see answer by stanbon(75887)

Question 55008: The Question reads to rewrite each equation as a function for x
-3x+4y=11
Click here to see answer by stanbon(75887)

Question 55007: the question states to graph the function..Please help
f(x)-2x-5
Click here to see answer by rchill(405)

Question 52888: 10+a/7=12;14
Click here to see answer by rchill(405)

Question 55024: Graph Type: Hyperbola
Explanation: Graph comes close to x=0 and y=-0 (asymptotes) without touching the lines

What happens to y as x gets larger?
What happens to x as y gets larger?
d) Given a line containing the points (1,4), (2,7), and (3,10) determine the slope-intercept form of the equation, provide one additional point on this line, and graph the function.
Equation in Slope-Intercept Form:
Show your work here:
Give one additional point in (x,y) form that would fall on this line:

Click here to see answer by stanbon(75887)

Question 55044: f(x)=x^2-3 How do I solve this problem I have tried several times and I do not think I have the right answer
Click here to see answer by Nate(3500)

Question 55044: f(x)=x^2-3 How do I solve this problem I have tried several times and I do not think I have the right answer
Click here to see answer by Hook(36)

Question 55026: What value of y is associated with the following values of x (a)x=2 (b)x=3 (c)x=-2
Click here to see answer by Hook(36)

Question 55095: Please help factor completly 49x^2-28xy+4y^2
Click here to see answer by anjulasahay(30)

Question 55094: Factor Completely please help xy-3x-2y+6
Click here to see answer by anjulasahay(30)

Question 55091: Please help Graph- f(x)=x^2-3
Click here to see answer by rchill(405)

Question 55091: Please help Graph- f(x)=x^2-3
Click here to see answer by funmath(2933)

Question 55065: Solve the system by graphing, addition and substitution methods. 3x + y = –1, 9x + 3y = –3
Click here to see answer by rchill(405)

Question 55066: Solve the system by graphing, addition and substitution methods. 5x – 4y = –5, x – 2y = –7
Click here to see answer by rchill(405)

Question 55073: Joe has 37 coins (all nickels, dimes, and quarters) worth $5.50. He has 4 more quarters than nickels. How many dimes does Joe have?

Click here to see answer by stanbon(75887)

Question 55130: I am stuck on correct answer for:
The slope of the line through points (4,5) and (6, -2) is:

I believe answer is -3 over 2 but I need to verify my work. What is correct resolve?
Click here to see answer by psbhowmick(878)

Question 55132: I am stuck on correct answer for:
The square root of 50 =

I believe answer is 25 but I need to verify my work. What is correct resolve?
Click here to see answer by psbhowmick(878)

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