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

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Question 509313: write an equation of the line that passes through point (4,7) and is perpendicular to the line whose equation is 2x+3y=4

Click here to see answer by stanbon(75887)

Question 509400: Find the equation of a line through the point (-1,9) and parallel to 2x-4y=7.
Click here to see answer by oberobic(2304)

Question 509540: solve the problem:
The worlds largest taco contained approximately 1 kg of onion for every 6.6 kg of grilled steak. The total weight of these two ingredients was 617.6 kg. To the nearest tenth of a kilogram, how many kilograms of each ingredient were used to make the taco?

I am struggling with turning the story problem into the actual equation.

Click here to see answer by oberobic(2304)

Question 509616: Determine if the ordered pairs (0,3),(3,0),(−1,1) are solutions of the equation y = 2x + 3
Click here to see answer by oberobic(2304)

Question 509630: I'm having a hard time understanding the solving of the equation?

Y=4-x
Y=x-4
Getting tired
Click here to see answer by mananth(16946)

Question 509667: What is y = -2x - 1 and graph it
Click here to see answer by mananth(16946)

Question 509683: what are the steps to find the equation of the indicated line . and writing i in slope intercept form .
y-intercept(0,3) slope 1
Click here to see answer by mananth(16946)

Question 509662: slope 5.2 and y-intercept (0,-7) I am having trouble how to figure the slope-intercept equation y=? can you please explain? Thank you
Click here to see answer by mananth(16946)

Question 509787: x - y = 2
x + y = 6
Click here to see answer by Maths68(1474)

Question 509748: y+4=-2/3(x-3)
Click here to see answer by ptaylor(2198)

Question 509827: Find the slope of the line connecting these points.
(8, -4), (-2, 9)
Click here to see answer by mananth(16946)

Question 509829: Sketch the graph of the following equation on your own paper, then choose the correct graph below.
3x + -5y = -5
Click here to see answer by mananth(16946)

Question 509822: a missile is projected vertically upward from an underground bunker in such a way that t seconds after launch, it's s feet above the ground, where :
s(t)= -16t^2+800t-15.
a) how deep is the bunker?
b) when's the missile at its highest point?
c) what is the max height?
I got the answer of b) is 25s and c) is 9985 but i'm not sure. Thanks if tutors can help me
Click here to see answer by nerdybill(7384)

Question 509884: how would i write 8x - 2y = 6 in slope-intercept form?
Click here to see answer by Alan3354(69443)

Question 509940: what is the slope and y-intercept of the line determined by the equation
y-14=-5x
Click here to see answer by rfer(16322)

Question 509968: Please show all work,
Find the slope and y-intercept of the line x=5y=8
Click here to see answer by solver91311(24713)

Question 510125: are (-2,5) and (6,-2)parallel,perpendicular, or neither to (-3,6) and (4,0)
Click here to see answer by solver91311(24713)

Question 510121: are (-2,5) and (6,-2)parallel,perpendicular, or neither to (-3,6) and (4,0)
Click here to see answer by solver91311(24713)

Question 510123: are (-2,5) and (6,-2)parallel,perpendicular, or neither to (-3,6) and (4,0)
Click here to see answer by solver91311(24713)

Question 510120: If x=4, how do you find the slope and y-intercept?
Click here to see answer by oberobic(2304)

Question 510122: 1. Find the slope of the line that passes through (-4,-8) and (-4,2).
I was thinking its zero but "undefined" is also a choice.
2. Find the slope of the line that passes through (-4,2) and (2,2).
Again, I think its either zero or "undefined"

Click here to see answer by solver91311(24713)

Question 510173: when you graph your lines on the graph how do you find the slope and y intercept?
Click here to see answer by oberobic(2304)

Question 510171: "Write the equation of the line through (4,5) and (6,-7)"
Click here to see answer by solver91311(24713)

Question 510199: i am having trouble with the following problem:
the table lists data regarding average salaries of several professional athletes in 1991 and 2001
1990 - 262,000
2001 - 1,420,000
Use the data to find a linear function that fits the data.
Use the function to predict the average salary in 2005 and 2010.
I have read the text numerous times and I do not understand how to arrive at the answer. Please help! Thank you
Click here to see answer by solver91311(24713)

Question 510239: Solve the system of equations by graphing.
x+y=8
x-y=0
Click here to see answer by mananth(16946)

Question 510263: instructions: Write the equation of the line with the given slope and y-intercept. How do i solve this problem m=2/3,b=5/6
Click here to see answer by Alan3354(69443)

Question 510266: How do I write an equation that crosses the y axis at a lower point than all the given lines
given lines
A) y= 4x+2
B) y= 1/2x-3
c) y= -2x+4
Click here to see answer by Alan3354(69443)

Question 510267: m=2/3,b=5/6 what is the equation of the line,the slope and the y-intercept?
Click here to see answer by Alan3354(69443)

Question 510275: 5x-2y=4
x+2 y=8
Click here to see answer by oberobic(2304)

Question 510431: The graph of f is perpendicular to the line whose equation is 2 x - 3 y + 9 = 0 and has the same y-intercept as this line.
Click here to see answer by lwsshak3(11628)

Question 510930: find the equation of the lin in slope intercept form and standard form: contains (5,1) and is perpendicular to y=3
Click here to see answer by oberobic(2304)

Question 510943:

Find the slope of the line passing through the points (5,7) and (-4,2).
Click here to see answer by stanbon(75887)

Question 510943:

Find the slope of the line passing through the points (5,7) and (-4,2).
Click here to see answer by Maths68(1474)

Question 510948:

Find the slope of the line passing through the points (4,8) and (8,7).
Click here to see answer by oberobic(2304)

Question 510945: write an equation for a line which has y-intercept -6 and x-intercept 2
Click here to see answer by oberobic(2304)

Question 510961: What slope-intercept equation represents a line that passes through the point (1,-5) and is parallel to the line y=-4x-5?
Click here to see answer by rfer(16322)

Question 510954: Find the slope of the line passing through the points (4,8) and (8,7).
Click here to see answer by rfer(16322)

Question 510952: Write an equation of the line containing the given point and parallel to the given line
(5,-8);9x-2y=7
y=
simplify answer and type answer in the form y=mx+b
Click here to see answer by Maths68(1474)

Question 511007: Write an equation of the line that has the given slope nd y-intercept.
M=-3,b=-4
Click here to see answer by Maths68(1474)

Question 510900: what is the x-coordinate of the x-intercept of the function 2/3y=6x+12?
Click here to see answer by Maths68(1474)

Question 511125: gragh x+2y=4
Click here to see answer by Alan3354(69443)

Question 511147: what is the slope of y=6-3x? and what is the y-intercept
Click here to see answer by Alan3354(69443)

Question 511146: find the slope of the line that contains the point (-1,5) and (5,-4).

Click here to see answer by Alan3354(69443)

Question 511149: Write the equation of the line that passes through (�1, 5) with a slope of 2 in standard form?
Click here to see answer by Maths68(1474)

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