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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 411052: A given line has a slope of 3/4 and passes through a point (-2, 5). Find the equation of the line?
and
Given f(x) = |3x - 2|, find the value of f(-4) + f(-1).
(answer is either 15 or 19)
I/m stuck on these, think I know but not sure.
Click here to see answer by rfer(12670)

Question 411114: whats the intersect slope form for x+3y=3
Click here to see answer by rfer(12670)

Question 411194: Find an equation of the line containing the given air of points.
(-1,-3) and (-6,-5)
Click here to see answer by stanbon(57387)

Question 411292: solve by any method of your choice:
2x^2-3x=20
Click here to see answer by ewatrrr(10682)

Question 410942: WITE AN EQUATION OF THE LINE THAT PASSES THROUGH(0,5) AND (1,3).
Click here to see answer by ewatrrr(10682)

Question 411330: solve:
2x^2+x=3
Click here to see answer by ewatrrr(10682)

Question 411331: compute the discriminant. Then determine the number and type of solutions for the given equations
4x^2-8x+9=0
Click here to see answer by ewatrrr(10682)

Question 411327: b. The water line is given by the equation

Imagine you want to put a pink flamingo lawn ornament in your backyard. You want to avoid placing it directly over the water line in case you need to excavate the line for repairs in the future. Could you place it at the point (-4,-10)?
I believe you could because wouldn't it be at 9.33
Click here to see answer by ankor@dixie-net.com(15660)

Question 411338: x-y
1-1
2-?
4-7
7-13
what is the missing y axis?
Click here to see answer by shree840(260)

Question 411348: in the following exercise, find the coordinates of the vertex for the parabola defined by the given quadratic function
f(x)=3x^2-6x+4
Click here to see answer by shree840(260)

Question 411402: Solve for x
-1 = -1/2x - 4
Click here to see answer by rfer(12670)

Question 411467: I am having trouble solving this problem for "slope intercept form" 5y=6x
I know the form is y =mx+b but can't get this one figured out?
Click here to see answer by stanbon(57387)

Question 410836: find the formula for the linear function that passes through the point P=(2,-9)and is parallel to the linear function given by the equality: 7x-13y=22
Click here to see answer by rfadrogane(214)

Question 411714: Graph equation and identify y intercept
y = 1/3x + y
Click here to see answer by rfer(12670)

Question 411686: Use Intercepts graph equation
2x - 6 = 3y
Are the intercepts (0, -2) Is this the only one.
Can I plot (6,2) as another point?
Click here to see answer by rfer(12670)

Question 411777: write the equation of the line passing through each of the given points with the indicated slope. Give your results in slope intercept form where possible. (0,2), m=3
Click here to see answer by stanbon(57387)

Question 411865: 3x-6y=6

Click here to see answer by unlockmath(1603)

Question 411807: I need to write the equation for the line that goes through (-857, 912) and is perpendicular to y = 13.
Click here to see answer by scott8148(6628)

Question 411848: A total of $15,000 is invested in two corporate bonds that pay 5% and 7% simple annual interest. The investor wants to earn $880 in interest per year from the bonds. How much should be invested in each bond?
Click here to see answer by mananth(12270)

Question 411883: If the perimeter of a rectangle is 104 inches and the length of the rectangle is 6 inches less than its width, find the area of the rectangle.
Click here to see answer by mananth(12270)

Question 412014: Graph each equation. Plot at least five points for each equation.
x - 2y = 6
Click here to see answer by ewatrrr(10682)

Question 412029: Choose the graph that corresponds to the equation x − 5y = 10
Click here to see answer by MathLover1(6638)

Question 412023: Graph each line using its y-intercept and slope
y + 4x = 8
Click here to see answer by emargo19(101)

Question 412021: Find the slope and y-intercept for each line that has a slope
and y-intercept.
x + 2y = 3
Click here to see answer by angelagallegos(8)

Question 412081: find the slope and the y-intercept of the line. Write fractional answers in lowest terms. 2y+7x+7=19+7x
Click here to see answer by nerdybill(6962)

Question 412075: what is y+6x-12=0 in function form
Click here to see answer by nerdybill(6962)

Question 412088: A ski-lift that runs to the top of a hill has a rise to run ratio of 1/2. The horizontal distance from the bottom of the lift to the center of the mountain is 5000ft. How high is the hill?
I have no idea where to start with this problem.
Click here to see answer by solver91311(16897)

Question 412108: Please help..
Find an equation of the line having the given slope and containing the given point. m=7, (9,3)
Click here to see answer by nerdybill(6962)

Question 412108: Please help..
Find an equation of the line having the given slope and containing the given point. m=7, (9,3)
Click here to see answer by solver91311(16897)

Question 412105: Need some help with this one please?!
Find the slope-intercept equation of the line that has the given characteristics. Slope 9 and y-intercept (0,4)
Click here to see answer by nerdybill(6962)

Question 412106: Please help..
Find the slope-intercept equation of the line that has the given characteristics. Slope 5.4 and y-intercept (0,-9)
Click here to see answer by Alan3354(30993)

Question 412096: find the slope and the y-intercept of the line. Write fractional answers in lowest terms. 3y+4x+5=6+4x
Click here to see answer by lwsshak3(6519)

Question 412131: if im trying to solve a problem like X+Y=7 and 3X-y=5 how do i solve it then graph it please help thank you
Click here to see answer by stanbon(57387)

Question 412131: if im trying to solve a problem like X+Y=7 and 3X-y=5 how do i solve it then graph it please help thank you
Click here to see answer by josmiceli(9697)

Question 412185: Could you please help me with a couple of problems? They don't make sense.How would you solve x+y=3?
x=4
And how would you graph it using one solution, no solution, and many solutions.
Click here to see answer by solver91311(16897)

Question 412161: Mrs. H discovered that she had accidentally reversed the digits of a test and shorted a student 36 points. She told the student that the sum of the digits was 14 and agreed to give him his correct score plus extra credit if he could determine his actual score without looking at his test. What was his actual score on the test?

Click here to see answer by solver91311(16897)

Question 412301: can you please isolate y in 225x+200y=2600?
Click here to see answer by solver91311(16897)

Question 412257: Please graph the solution set for the linear equation for x-3=y
Click here to see answer by ewatrrr(10682)

Question 412430: (-4,5) and (-2,-3) find equation of the line that contains the givin pair of points how do I find the answer
Click here to see answer by josmiceli(9697)

Question 412484: find a slope and y-intercept of the line 2x-9y=-3
Click here to see answer by solver91311(16897)

Question 412478: find a slope of the line that passes through (-1,7) and (-4,-3)
Click here to see answer by solver91311(16897)

Question 412535: Find the missing coordinate. (-3,_____) is a solution of y = 4-3x.
Click here to see answer by algebrahouse.com(1079)

Question 412542: Find the slope of a line perpendicular to the line that passes through the following points: (3, 9) and (7, 15)
Click here to see answer by algebrahouse.com(1079)

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