Question

A line has a slope of − 8 and passes through the point ( 1 , − 7 )



What is the equation of the line?

Answer 1

y = -8x + 1

Step-by-step explanation:

Using point slope form

(y+7) = -8(x-1)

y = -8x + 8 -7

y = -8x + 1

Answer 2

Answer:

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Step-by-step explanation:\

Step 1: Coordinates are written as (x, y). That means for the coordinate (1, -7), 1 is the x and -7 is the y.

Step 2: Plug in the values into y=mx+b and solve for b.

We know y is -7, x is 1, and m (the slope) is -8.

So, -7= -8(1)+b    => -7=-8+b   => b = -7+8    => b = 1

Step 3: Write the equation in y=mx+b form replacing the m and b for -8 and 1.

y=-8x+1