SOLUTION: I need to find the equation of the line with the slope 4 and passing through (-2,7). Can you help me?
Algebra.Com
Question 267334: I need to find the equation of the line with the slope 4 and passing through (-2,7). Can you help me?
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Do it like this:
A line and a point example.
Write in standard form the eqation of a line that satisfies the given conditions. Perpendicular to 9x+3y=36, through (1,2)
-----------------
Find the slope of the line. Do that by putting the equation in slope-intercept form, y = mx + b. That means solve for y.
9x+3y = 36
3y= - 9x + 36
y = -3x + 13
The slope, m = -3
------------------
The slope of lines parallel have the same slope.
The slope of lines perpendicular is the negative inverse, m = +1/3
----------------
Use y = mx + b and the point (1,2) to find b.
2 = (1/3)*1 + b
b = 5/3
The equation is y = (1/3)x + 5/3 (slope-intercept form)
x - 3y = -5 (standard form)
------------------------
For further assistance, or to check your work, email me via the thank you note.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The equation to use is:
where = slope
Plugging in numbers:
Multiply both sides by
check answer:
does it pass through (-2,7)?
OK
RELATED QUESTIONS
please i need someone to help me with these three problems:
the directions are: find... (answered by PRMath)
Find the point-slope form of the equation of the line passing through the points (–2, 2)... (answered by robertb,solver91311)
Hi, can you help me with this?
i. Find an equation of the line that passes through the (answered by Maths68)
Can you help me with these?
Find the slope-intercept form of the line satisfying the... (answered by tutor_paul)
I am having a dog of a time trying to solve these problems, please help me.
Write the... (answered by scott8148)
I have two questions that I need help on! Thank You!!
1. Find the slope-intercept form (answered by sachi)
Can someone help me on this problem?
I need to find the slope of the line passing... (answered by rchill)
Can someone please help me with this problem.
Find the slope of the line passing through (answered by stanbon)
Would someone help me with these questions?
1. The line passing through (7,y) and... (answered by ewatrrr)