Question

What is the y-intercept of the line that has a slope of -4 and passes through (-5, 7)?

Answer 1

Step-by-step explanation:

Formula of a line in Slope-point form

If m is the slope and (x1,y1) is a point on the line then equation is given by

(y - y1 ) = m(x - x1)(y−y1)=m(x−x1)

From given info x1 is 5 and y1 is -7

slope m is -3

Putting these in above equation

y+7= -3×(x-5)

Simplifying will give

3x + y=8

Hope it is clear.

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