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

Tutors Answer Your Questions about Graphs (FREE)

Question 162741: are these line parallel perpendicular or neither?
5x+3y=3
3x-5y=9
Click here to see answer by checkley77(12569)

Question 162725: Please help.

Solve by the elimination method.
3x + 4y=3
6x + 8y=6
What is the solution of the system?
(Type an ordered pair. Type an integer or a fraction. Type N if there is no solution. Type I if there are infinitely more solutions.)

Click here to see answer by checkley77(12569)

Question 162777: solve the following system of equations?
x+2y=3
x=5-2y
what is the order pair?
Click here to see answer by user_dude2008(1861)

Question 162747: solve
0.3x+7 is less than or equal to 0.7x-4
Click here to see answer by edjones(7569)

Question 162749: solve the following system of equations
x+2y=3
x=5-2y
what is the order pair??

Click here to see answer by checkley77(12569)

Question 162846: can someone help me with this
Solve the inequality and graph the solution.
p^2 + 9p + 14 > 0
a. (-7,-2)
b. (- infinity, -7)
c. (-2, infinity)
d. (- infinity, -7) or (-2, infinity)

Click here to see answer by joecbaseball(37)

Question 162281: graph the inequality on a plane.
x+y<5
Click here to see answer by orca(409)

Question 162828: Please help! I am struggling with these type problems.
Solve then graph.
a + 4 < -12
The solution set is {a/a< _____}
Show the graph.

Click here to see answer by checkley77(12569)

Question 162942: How do you graph y=1/4x? I really appreciate this. Thanks Mary
Click here to see answer by checkley77(12569)

Question 163047: solve by substitution:
2x=2y=2
3x-y=1
Click here to see answer by jim_thompson5910(28717)

Question 163048: solve by elimination:
3x+5y=4
5x+2y=9
Click here to see answer by jim_thompson5910(28717)

Question 163060: WRITE THE EQUATION OF THE LINE IN SLOPE-INTERCEPT FORM.
PASSING THROUGH THE POINTS (-1,5),(-3,-2)
Click here to see answer by joecbaseball(37)

Question 163053: can someone please help me with this:
Solve the inequality and graph the solution.
5/(x-7)<6
Click here to see answer by edjones(7569)

Question 163059: WRITE THE EQUATION OF A LINE IN THE FORM Ax+By=C THROUGH THE POINT (-5,-3) AND PERPENDICULAR TO THE LINE y=- 2OVER3x+6
Click here to see answer by Fombitz(13828)

Question 163055: Solve by substitution:
2x+2y=2
3x-y=1
Click here to see answer by joecbaseball(37)

Question 163056: solve by elimination:
3x+5y=4
5x+2y=9
Click here to see answer by joecbaseball(37)

Question 163094: Determine the slope of the line. Graph shows it as y= (0,3) and x=(0,-5).
Find the slope of the line. m= ___
Click here to see answer by checkley77(12569)

Question 163098: Graph the equation and identify the y-intercept.
y+x= -10
The y-intercept is _____
Click here to see answer by joecbaseball(37)

Question 163098: Graph the equation and identify the y-intercept.
y+x= -10
The y-intercept is _____
Click here to see answer by checkley77(12569)

Question 163090: Graph the equation using the slope and the y-intercept.
y= 6/5x+7

Click here to see answer by checkley77(12569)

Question 163054: Solve by graphing:
2y+4x=6
3y+6x=9
Click here to see answer by checkley77(12569)

Question 163046: solve by graphing:
y=2x=1
y=x-3
Click here to see answer by checkley77(12569)

Question 163102: Use the intercepts to graph the equation.
x+3y=6
(graph is 10 to -10 by 2)
Click here to see answer by Fombitz(13828)

Question 163418: Can you please help with this math problem I really don't know where to begin?
Graph the solution set.
3x-2y<1
x+3y<6
Thank you for helping me.
Click here to see answer by elima(1433)

Question 163506: can somebody tell me if i'm right! i have to express my answer in slope-intercept form.
Perpendicular to the line 5y+2x=7 and containing the point (3,0).
i got y = 5/2x+6 for my answer is this correct?
Click here to see answer by Edwin McCravy(8999)

Question 163510: can somebody help me find an equation for this variatioN...
if W varies with A and inversely with I
Click here to see answer by ankor@dixie-net.com(15746)

Question 163535: can somebody help me solve this problem: if w varies directly with A and Inversely with I, if A = 4 when I=2 and w=2, what is the constant of variation, K?
this is what i tried... 2=k/2, so k is 4, is this the constant of variation?
Click here to see answer by ankor@dixie-net.com(15746)

Question 163518: can somebody help me solve this problem: if then find f(x+h)?
this is what i did...i plug in the f(x+h) in the f(x) function,
so , i got 3x+3h-2,but i'm not sure if this is the right answer,because 3x is raised to the 2nd power in the f(x)...please tell me if i'm wrong
Click here to see answer by Fombitz(13828)

Question 163619: The body mass index, I, can be used to determine an individual’s risk for heart disease. An index less than 25 indicates a low risk. The body mass index is given by the formula, or model,
I = 700W / H^2 where W = weight, in pounds, and H = height, in inches. Francis weighs 212 pounds and stand 73 inches tall. What is his approximate body mass index? Find an inequality describing all weights W that Francis can have and be in a low-risk category.
Francis’ approximate body mass index is ___
(Round to the nearest whole number.)

Click here to see answer by stanbon(57982)

Question 163618: Describe what the graph of interval [-4,10] looks like
Click here to see answer by edjones(7569)

Question 163671: An escalator carries passengers a vertical distance of 40 ft. while traveling a horizontal distance of 90 ft. Find hte grade of the escalator
Click here to see answer by vleith(2825)

Question 163642: GRAPH THE FOLLOWING EQUATIONS; CALCULATE THE SLOPE, X-INTERCEPT, AND Y-INTERCEPT, AND LABEL THE INTERCEPTS ON THE GRAPH.
1. y = x + 3
2. y = -2x - 7
3. 2x + 3y = 9
Click here to see answer by KnightOwlTutor(293)

Question 163787: How can I find the slope of the line pasing through the points (6,7) and (2,-8).
Click here to see answer by nerdybill(7009)

Question 163845: Write algebraic expressions for the following unknown integers.
36. Three consecutive even integers

Click here to see answer by jojo14344(1512)

Question 163860: The length of a rectangle is 3 m longer than its width. If the perimeter of the rectangle is 38 m find its area
Click here to see answer by midwood_trail(310)

Question 163860: The length of a rectangle is 3 m longer than its width. If the perimeter of the rectangle is 38 m find its area
Click here to see answer by nerdybill(7009)

Question 163836: Graph the line with the given point and slope
The line through (-2,5) with slope -1
Click here to see answer by checkley77(12569)

Question 163835: Graft each line using its y-intercept and slope
y + 4x =8
Click here to see answer by checkley77(12569)

Question 163926: Please help me solve the following problem:
Write a slope-intercept equation for a line with slope 4 which passes through the point (1,7)

Click here to see answer by stanbon(57982)

Question 163935: Please help!
Determine whether the graph of y=|4x| is symmetric with respect to the x-axis, the y-axis, or the origin.

Click here to see answer by stanbon(57982)

Question 163948: 3. Plot the graph of the equations 10x - 4y = 3 and 5x - 2y = 6 and interpret the result.
Click here to see answer by stanbon(57982)

Question 163947: 2. Plot the graph of the equations 4x - 6y = 2 and 2x - 3y = 1 and interpret the result.
Click here to see answer by midwood_trail(310)

Question 163946: 1. Plot the graph of the equations 3x - 8y = 5 and 4x - 2y = 11 and interpret the result.
Click here to see answer by midwood_trail(310)

Question 163823: 2x-3y=6
Click here to see answer by elima(1433)

Question 163824: 3y-2x=3
Click here to see answer by elima(1433)

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