SOLUTION: Write the equation of a line in slope-intercept form that has a slope of -2 and passes through the point (2, -8).

Question 633810: Write the equation of a line in slope-intercept form that has a slope of -2 and passes through the point (2, -8).
Found 2 solutions by solver91311, ewatrrr:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Use the point-slope form:

where are the coordinates of the given point and is the given slope.

Then rearrange so that it is in slope-intercept form:

John

My calculator said it, I believe it, that settles it

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,
Using the standard slope-intercept form for an equation of a line y = mx + b
where m is the slope and b the y-intercept.
Line with m = -2 and passing through Pt(2,-8)
Line
y = -2x + b
8 = -2�2 + b |Using ordered pair (x,y):(2,8) to solve for b
12 = b
y = -2x + 12
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