Write the equation of a line in slope - intercept form using m=2 and (-1,5)

Question

asked Feb 18, 2019 102k views

1 Answer

Helmer Barcos · Answer 1 · 2019-02-22T16:30:05+0000

The slope-intercept form:

y=mx+b

m - slope

b - y-intercept

We have the slope
$m=2\to y=2x+b$ .

Put the coordinates of the point (-1, 5) to the equation of the line:

5=2(-1)+b

5=-2+b add 2 to both sides

$7=b\to b=7$

Answer:
y=2x+7