Question

The equation of the line with slope -3 that goes through the point (-9,-7) can be written in the form y=mx+b

Answer 1

Answer:y= -9x-25

Step-by-step explanation: Write the slope-intercept form of an equation of the line with slope -9 and passes through the point (-2, -7).

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Form:: y = mx + b

Solve for "b"::

-7 = -9*-2 + b

-7 = 18 + b

b = -25

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Equation:

y = -9x - 25

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Cheers,

Stan H.

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point slope formula

y-y1=m(x-x1)

y+7= -9(x+2). Notice that we are subtracting a negative, so we have to add.

 

y+7=-9x-18

y= -9x-25