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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 390627: 2x-3y=-12 what is the x slope and the y intercept
Click here to see answer by ewatrrr(24785)

Question 390626: are these lines parallel 3x+6y=8; y=2x-8
Click here to see answer by scott8148(6628)

Question 390646: Write the equation y - 2 = 2(x - 3) in standard form.
Click here to see answer by stanbon(75887)

Question 390647: If you are finding the line perpendicular to x + 3y = 5, what is the slope of the line?
Click here to see answer by stanbon(75887)

Question 390541: A family has two cars. The first carf has a fuel efficiency of 28 miles per gallon of gas and the second has a fuel efficiency of 34 miles per gallon of gas. During one particular week, the two cars went a combined total of 2100 miles, for a total gas consumption of 85 gallons. How many gallons were consumed by each of the two cars that week?
Click here to see answer by stanbon(75887)

Question 390688: Can you turn this equation into the form of ax+b=y ;
3x+6y=15
Thank you
Click here to see answer by checkley79(3341)

Question 390702: what is the x-intercept for 3x+y=-15
Click here to see answer by checkley79(3341)

Question 390676: How can I identify and classifly equations as linear or nonlinear functions

Click here to see answer by rfer(16322)

Question 390795: how do i graph the linear equation y=3/4x-1
Click here to see answer by rfer(16322)

Question 390779: What is the slope and y-intercept of -y+3=9?
Click here to see answer by Alan3354(69443)

Question 390903: (x to the power of 2)-11x+13=0
Click here to see answer by mananth(16946)

Question 390911: If f(x) = 2x - 3, evaluate the following:
( a ) f(-2) =
( b ) f(t)
( c ) f(a - 2)

Click here to see answer by robertb(5830)

Question 390981: write an equation with the given slope and y-intercept
slope:8,y-intercept-3
Click here to see answer by MathLover1(20849)

Question 391062: How do you find the slope of a line parralel to the graph of each equation? Question: #1 y=-4. #2 -8x+6y=4 and #3 0.5x-6y=4.. I even go to coach class.. Still no help.

Click here to see answer by rfer(16322)

Question 391128: y=x+2 find the value of y
x y
0
1
2
3
4
Click here to see answer by richard1234(7193)

Question 391166: Write the point-slope equation of the line through (-2, 1) with a slope of 3.
Click here to see answer by solver91311(24713)

Question 391197: How do I go about solving this: "equation of vertical line that contains (-4, 8) its would also be great if you could tell me the general linear form. I have no idea how to begin solving this because I do not have the formula. Please and thank you very much.
Click here to see answer by Edwin McCravy(20055)

Question 391217: graph the equation of the line that is perpendicular to the graph of each equation and passes through the given point
Click here to see answer by richard1234(7193)

Question 391239: Find the coordinates of two points on the line with given equation. Then use the points to find the slope of the line.
y=-3x+11
What is y in this equation?
Click here to see answer by rfer(16322)

Question 391252: what does the solution of a system of linear equations represent?
how can you tell graphically whether a system is consistent, inconsistent, or dependent?
x=2y-1
x=2y+3
has no solution. how can you tell?
Click here to see answer by stanbon(75887)

Question 391209: Tomatoes are $.80 per pound at Rob's Market, and $1.20 per pound at Sal's Produce. You have a coupon for $1.40 off at Sal's Produce. (Assume that you buy at least $1.40 worth of tomatoes)
Write an equation relating the cost,y, to the number of pounds, x, at each market.
I need help Figuring out how to solve the problem.
Click here to see answer by josmiceli(19441)

Question 391294: what is the slope of (-2,-8), (1,4)
Click here to see answer by haileytucki(390)

Question 391298: write an eaquation of the direct variation that includes the given points (2,3) and (-5,-7).

Click here to see answer by haileytucki(390)

Question 391335: I really need some help here! Guys. Sorry to disturb you but please help me with my homework:
If (1,m),(-1,1),(3,9), and (n,13) are on the same line, find m and n.
*this is about missing coordinates of the line through given points that has given
the slope.
THANKS!
Click here to see answer by ewatrrr(24785)

Question 391333: Twice the first of three consecutive integers minus the third equals 58.Find the three integers

Click here to see answer by Alan3354(69443)

Question 391333: Twice the first of three consecutive integers minus the third equals 58.Find the three integers

Click here to see answer by ewatrrr(24785)

Question 391326: graph y = 1/2x

Click here to see answer by ewatrrr(24785)

Question 391323: graph 4y + 3x = -4 and what is the y-intercept
Click here to see answer by ewatrrr(24785)

Question 391389: I am trying to understand how to determine the y-intercept of y=5x-6. I cannot figure out how to get the equations to plot by.
Click here to see answer by ewatrrr(24785)

Question 391359: "Which of the following tables corrosponds to points on the same straight line" how to solve this question?
Click here to see answer by ewatrrr(24785)

Question 391415: what is the slope of this line? x=1
Click here to see answer by solver91311(24713)

Question 391417: what is the slope of this line
y=1/4x+1
Click here to see answer by Alan3354(69443)

Question 391416: what is the slope of this line? x=1
Click here to see answer by Alan3354(69443)

Question 391462: y=-2/5x+1
we have to make a table using this equation and i dont understand how to make the table.
Click here to see answer by solver91311(24713)

Question 391557: Use the substitution method to solve the linear system.
m+2n=1
5m+3n=-23
Click here to see answer by jerryguo41(197)

Question 391600: (4,-3); 8x+5y=7 the equation for line y is?
Click here to see answer by Alan3354(69443)

Question 391594: Please show me how to solve this equation so I can graph it. Need step by step instuctions on solving the equation. Thank you your time and help. Jill

Click here to see answer by Alan3354(69443)

Question 391631: y=2x + 2, (3,2) Please help me solve this problem and show me step by step how to set up the problem.
Click here to see answer by solae(1)

Question 391647: what is the slope of the line containing the points(3,4) and (-6,10)?
Click here to see answer by edjones(8007)

Question 391593: write an equation for the line that contains (5,1) that is parallel to y = 3/5x - 4

Click here to see answer by mananth(16946)

Question 391676: what is the x and y intercepts? x/a + y/b = 1
Click here to see answer by edjones(8007)

Question 391725: Graph a line y=3x+2
Click here to see answer by MathLover1(20849)

Question 391776: when solving for y what is the x solutions
Click here to see answer by MathLover1(20849)

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