Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 189828: Find the slope of a line perpendicular to 2x + 3y =4 slope=____________
could you break it down to where I might be able to understand it?
Thank you!
Click here to see answer by solver91311(24713)

Question 189769: Find an equation of the line containing the given pair of points.
(1,5) and (3,6)
Click here to see answer by jojo14344(1513)

Question 189768: Find an equation of the line containing the given pair of points.
(1,2) and (3,3)
Click here to see answer by ankor@dixie-net.com(22740)

Question 189767: Find an equation of the line having the given slope and containing the given point.
m=-9,(2,4)
Click here to see answer by ankor@dixie-net.com(22740)

Question 189905: Are all linear equations function? Is there an instance when a linear equation is not a function? Support your answer.
Click here to see answer by solver91311(24713)

Question 189978: c-5d=2
2c+d=4
Click here to see answer by shalini_2332(1)

Question 189759: Find the slope, if it exists. y=-3x+2
Click here to see answer by jojo14344(1513)

Question 190087: Write an equation containing the given points and parallel to the line
(-7,4); 7x=3y+5
Click here to see answer by Mathtut(3670)

Question 190087: Write an equation containing the given points and parallel to the line
(-7,4); 7x=3y+5
Click here to see answer by solver91311(24713)

Question 190121: Use the equation below and the indicated value to find an ordered pair that is a solution.
y=5x-3( ,12)
Click here to see answer by nerdybill(7384)

Question 190122: Find the slope, if it exists.
4x-5y=10
Click here to see answer by Mathtut(3670)

Question 190117: Find an equation of the line having the given slope and containing the given point.
m=4/5, (4,-9)
Click here to see answer by Mathtut(3670)

Question 190103: Find an equation of the line having the given slope and containing the given point. Express your answer in the form of y=mx+b.
m=0,(0,-4)
Click here to see answer by Mathtut(3670)

Question 190110: Find an equation of the line containing the given pair of points.
(1,5) and (3,6)
Click here to see answer by jim_thompson5910(35256)

Question 190109: Find an equation of the line containing the given pair of points.
(1,2) and (3,3)
Click here to see answer by jim_thompson5910(35256)

Question 190107: Find an equation of the line containing the given pair of points.
(-8,0) and (0,3)
Click here to see answer by solver91311(24713)

Question 190108: Solve this system using the Substitution Method:
x + y = 7/2
4x - 3y = -14

Click here to see answer by cutepiscean5(19)

Question 190106: Solve the system:
x - y + 3z = 23/2
3x + 2y + 2z = -6
2x - z = 1/2
Click here to see answer by ronak_hahs(1)

Question 190105: Solve this system using the Addition Method:
3x - y = -1
4x + 2y = 22
Click here to see answer by cutepiscean5(19)

Question 190104: Using the Substitution Method, solve the system
2x + 3y = -4
x - 2y = 5
Click here to see answer by cutepiscean5(19)

Question 189761: Find an equation of the line having the given slope and containing the given point.x/8= -4y/5

Click here to see answer by jojo14344(1513)

Question 189763: Find an equation of the line containing the given pair of points. Express your answer in the form x=a, y=b, or y=mx+b. (0,0) and (5,3)
Click here to see answer by jojo14344(1513)

Question 189772: Find the slope, if it exists.
4x-5y=10
Click here to see answer by jojo14344(1513)

Question 189765: Find an equation of the line containing the given pair of points. (-8,0) and (0,3)
Click here to see answer by jojo14344(1513)

Question 189766: Use the equation below and the indicated value to find an ordered pair that is a solution.
y=5x-3( ,12)
Click here to see answer by jojo14344(1513)

Question 189774: Decide whether the pair of lines is parallel, perpendicular or neither.
5x+3y=4
3x-5y=3
Click here to see answer by jojo14344(1513)

Question 190137: the student councilat JeffersonHigh School sold a total of 220 brownies and cookies during its fund-raiser. Each brownie sold for $0.75. and each cookie sold for $0.50. the student council made $136.50 from the sales of brownies and cookies. Which system of linear equations can be used to find b, the number of brownies sold, and c, the number of cookies sold?
Click here to see answer by nerdybill(7384)

Question 190154: Solve by substitution method
15x-10y=-1
5y=1+10x
Click here to see answer by jojo14344(1513)

Question 190183: use the graph of the function fo find f(-3), (-2) and f(-1). Points on the graph are (-2,-1), (-1,-2) and (-6,-3)
Click here to see answer by solver91311(24713)

Question 186325: the lenght of a rectangle is fixed at 20 cm. what width will make the perimeter greater than 86 cm ?
Click here to see answer by sabrinawayjack(8)

Question 190293: What is the domain of (f), range of (f), slope, x-intercept, y-intercept of the line f(x)=-2x+3
Click here to see answer by user_dude2008(1862)

Question 190320: what is the equation of the line passing through (-2, 1) and having a slope of 1/2?

Click here to see answer by Alan3354(69443)

Question 190682: What is the easiest way to determine the third point on a graph? I am confused about how this is done.
Click here to see answer by Alan3354(69443)

Question 190797: Hello, my name is Bud and I need some help for this algebra question I'm stuck on. Thank-you, anyone that helps. In the equation C(g)=3.03(g) If you were to graph C(g), what would be an appropriate domain? Range?

Click here to see answer by user_dude2008(1862)

Question 190799: graph the line with the given slope that goes through the given point
through (-1, -2) with m=-2
Click here to see answer by Mathtut(3670)

Question 190997: Zoha jogs 3 miles per hour faster than she walks. She jogs for 2 miles and then walks for 2 miles. If the total time of her outing is one hour, find the rate at which she walks and jogs?
Click here to see answer by orca(409)

Question 190802: Here's another problem I could use some help on. I would really be greatful to anyone who can help me. Thanks The line y=0.15x+0.79 represents an estimate of the average cost of gasoline for each year. The line 0.11x-y=-0.85
estimates the price of gasoline in January of each year (Bureau of Labor Statistics, 2006).
a)Do you expect the lines to be intersecting, parallel, or perpendicular?
b)Work the equations of the lines to determine if they are parallel.

Click here to see answer by jojo14344(1513)

Question 190998: Zoha jogs 3 miles per hour faster than she walks. She jogs for 2 miles and then walks for 2 miles. If the total time of her outing is one hour, find the rate at which she walks and jogs?
Click here to see answer by ankor@dixie-net.com(22740)

Question 191015: Complete the ordered pairs so that each is a solution of the given linear equation. Then plot each solution and graph the equation by connection the points by a straight line.
y = x - 4
(0, )
(2, )
(4, )
Click here to see answer by checkley75(3666)

Question 191000: A united airline jet leaves new york's kennedy airport headed to los angeles international airport, a distance of 2700 miles. at the same time, a delta airline jet leaves the los angeles airport headed for kennedy airport. due to headwinds and tailwinds, the united jet average speed is 100 miles per hour greater than that of the delta jet. if the two jets pass one another after 3 hours, find the speed of each plane?
Click here to see answer by ankor@dixie-net.com(22740)

Question 191151: I am uncertain how to find the linear equation of y= x+ 4.
Click here to see answer by checkley75(3666)

Question 191295: Write an equation through ( 1,2 ) and parallel to y=2x-4 Could some one please help me with this?
Click here to see answer by scott8148(6628)

Question 191390:
Click here to see answer by Mathtut(3670)

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