Question

What is an equation of the line that is perpendicular to 2x+y=-4 and passed through the point (2,-8)

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Answer 1

y=1/2x-9

Explanation:

y=-2x-4

perpendicular slope = opposite reciprocal

y=1/2x+b

-8=1/2*2+b

-8=1+b

b=-9