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

Tutors Answer Your Questions about Graphs (FREE)

Question 989379: solve the given inequality and graph the solution set:
-10 < 5 -2x < -5
please help me with question ASAP
Click here to see answer by rothauserc(4718)

Question 989527: Find the equation of the line, in slope-intercept form, that satisfies the given conditions.
The graph is parallel to the graph of
x + 4y = 3
and passes through the point whose coordinates are
(−4, −2).
Click here to see answer by solver91311(24713)

Question 989526: Find the equation of the line, in slope-intercept form, that satisfies the given conditions.
The graph is perpendicular to the graph of
y = 2x - 6
and passes through the point whose coordinates are
(3, -5)
Y=
Click here to see answer by solver91311(24713)

Question 989525: Determine the profit function for the given revenue function and cost function.
R(x) = 128x; C(x) = 76.5x + 8755
Click here to see answer by solver91311(24713)

Question 989540: Please help with algebra homework! Find the domain, enter using interval notation. Can't figure this one out!

Points on graph; [-4,-5],[0,-4],[-3,4],[-2,2],[-1,0],[2,3],[3,1].
Thank you!!!

Click here to see answer by Fombitz(32388)

Question 989539: A student solves the compound inequality 15 is less than or equal to 2x+5 is less than or equal to 17 and finds the solutions of the compound inequality to be all real numbers. Explain and correct the the student's mistake. Graph the actual solutions to back up your answer.
Click here to see answer by josgarithmetic(39617)

Question 989869: -4x +10 < 5
Click here to see answer by rfer(16322)

Question 989890: What is the x-intercept of the equation 5y+15=-x

Click here to see answer by solver91311(24713)

Question 989894: Find the slope of the given curve at the given point(s).
f(x)=x^3-13x+12
at P (-2,30)
Click here to see answer by josgarithmetic(39617)

Question 989880: |M+1|+6<(or equal to) 22
Click here to see answer by josgarithmetic(39617)

Question 989951: Determine whether their graphs of the equations are parallel, perpendicular, or neither 3x=5y-10
5x=1-3y
Click here to see answer by stanbon(75887)

Question 989981: Line l passes through point (2,8) and is perpendicular to the line y=2x+4. How many square units are in the region bounded by the x-axis, y-axis, and line l?
Click here to see answer by Alan3354(69443)

Question 990163: how do you multiply by a monomial?
Click here to see answer by Timnewman(323)

Question 990197: Y = 3x + 3
Y = -x + 3 How do I do this?

Click here to see answer by Alan3354(69443)

Question 990217: How do I graph f(x)=x^2-1. Please explain.
Click here to see answer by Boreal(15235)

Question 990271: What happens to the graph when you divide by "x" and why does this happen?
Click here to see answer by Theo(13342)

Question 990314: Please help with algebra problem. List the x-intercepts:
Graph points are:
[-5,-5],[-4,0],[-3,4],[-2,2],[-1,0],[0,1],[2,3],[3,1].
(x,y)=? (smallest x-value)
(x,y)=?
(x,y)=? (largest x-value)
Please show work so I can learn.
Thank you!!!
Click here to see answer by josgarithmetic(39617)

Question 990378: Y=7x+8

Click here to see answer by Alan3354(69443)

Question 990446: What is a function family and what is a parent function?
Click here to see answer by ikleyn(52781)

Question 990519: Determine the profit function for the given revenue function and cost function.
R(x) = 128x; C(x) = 76.5x + 8755
p(x)= x ????
how do i determine the break even point for
x=
Click here to see answer by Fombitz(32388)

Question 990497: What is y is less than or equal to -x+2x+3
Click here to see answer by Alan3354(69443)

Question 990653: Please help with homework. I can't figure this one out. List the intervals where f is decreasing, use interval notation.
The points on the graph are:
[-5,-5], [-4,0], [-3,4], [-2,2], [-1,0], [0,-1], [1,0], [2,3], [3,1]
Please show your work so I can figure out how to do this for future problems. Thank you!!!
Click here to see answer by ikleyn(52781)

Question 990753: The equation y = 0.001x + 0.10 can be used to determine the approximate profit, y in dollars, of producing x items. How many items must be produced so the profit will be at least $3201?

Click here to see answer by solver91311(24713)

Question 990764: Graph the inequality y>4x
Click here to see answer by solver91311(24713)

Question 991057: h(n)=4n+2
g(n)=3n-2
find h(n)+g(n)
Click here to see answer by Timnewman(323)

Question 991253: X+y = 3
2x - 3y = 16
Click here to see answer by solver91311(24713)

Question 991325: Y= 135x
y= 540
How would you graph both of these equations on the same coordinate plane?
Click here to see answer by Fombitz(32388)

Question 991382: Find the slope-intercept form of the equation of the line that passes through the given point and has the indicated slope m.Sketch the line.
(0,0) m=3
Click here to see answer by Fombitz(32388)

Question 991381: Find the slope-intercept form of the equation of the line passing through the points. Sketch the line.
(6,4), (-6,-6)
Click here to see answer by josgarithmetic(39617)

Question 989961: 4x+6y is greater than or less then -12
Click here to see answer by Fombitz(32388)

Question 991438: How do I graph a line that has Δy = 3 and Δx = 0?
Click here to see answer by Alan3354(69443)

Question 991486: Please help me solve this equation
: 6x+2y>8
-2x-y>-2
Click here to see answer by rothauserc(4718)

Question 991502: Find an equation for the line with the given properties. Express the answer using the slope-intercept form of the equation of a line.
Parallel to the line y = -3x; containing the point (2, 3)
a. y - 3 = -3x - 2
b. y = -3x - 9
c. y = -3x + 9
d. y = -3x

Click here to see answer by MathLover1(20849)

Question 991541: How do you solve
x+3y=18
-2x + 5y= -3
So far I did 3y=-x+18
And started to divide each by 3...
3y/3 = -x/3 + 18/3
Y= -1/3x + 6
Y-6= -1/3x
Do I divide both sides by -1/3?
Now I'm stuck... Can you please help me?
Click here to see answer by ikleyn(52781)

Question 991539: Find an equation for the line with the given properties. Express the answer using the slope-intercept form of the equation of a line.
horizontal; containing the point (1.9, -4.7)
a. y = 1.9
b. y = 2.8
c. y = 0
d. y = -4.7
Click here to see answer by Cromlix(4381)

Question 991538: Find an equation for the line with the given properties. Express the answer using the general form of the equation of a line.
Perpendicular to the line -4x + 5y = -23; containing the point (-3, 7)
a. -3x - 5y = -23
b. -4x - 5 = -4
c. -5x + 4y = -13
d. -5x - 4y = -13

Click here to see answer by Cromlix(4381)

Question 991558: Ali scored 74, 82 and 60 for three of his maths tests. What is the lowest mark he must score for his fourth test if he aims to achieve an average of at least 78 for the four tests?

Click here to see answer by Fombitz(32388)

Question 991577: Write an equation for the line described. Give your answer in slope-intercept form.
m = -9, through (-9, 2)
Click here to see answer by Alan3354(69443)

Question 991599: Graph 3x � 5y = 30
Click here to see answer by macston(5194)

Question 991599: Graph 3x � 5y = 30
Click here to see answer by josmiceli(19441)

Question 991605: 2y-14=4
Click here to see answer by MathLover1(20849)

Question 991812: a rectangle has a corner in quadrant 1 on the graph y=16-x^2, another at the origin, a third on the positive x-axis, and the fourth on the positive y- axis.
a. express the perimeter p of the rectangle as a function of x.
b. express the area as a function of x
c. what is the domain of A
could you please explain everything.
Click here to see answer by Theo(13342)

Question 991813: find the difference quotient of
f(x)=2x^2-5x+3
Click here to see answer by Edwin McCravy(20055)

Question 991721: How do I graph y<3x-1
Click here to see answer by Fombitz(32388)

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