elizabeth3962 elizabeth3962

01-10-2020
Mathematics

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what is the equation of the line perpendicular to y=-1/3x+-4 through the point ( 3,8)?

Respuesta :

crystal052504 crystal052504

01-10-2020

Answer: y=3x-1

Step-by-step explanation:

If it’s perpendicular, the slope is the opposite reciprocal so we have:

y=3x+b

Use the point to find b

8=3(3)+b

8=9+b

Subtract 9 on both sides

B=-1

y=3x-1

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