Choose the equation of the line passing through the point (4, -2) and perpendicular to y = x - 7.

y = -3x - 14

y = 3x - 10

y = -3x + 10

y = 3x + 14

Question

Choose the equation of the line passing through the point (4, -2) and perpendicular to y = x - 7.

 y = -3x - 14

 y = 3x - 10

 y = -3x + 10

 y = 3x + 14

hero · Answer

What about the previous question?

anonymous · Answer

I already did it

anonymous · Answer

but i really need this one

hero · Answer

Using y = mx + b, input x = 4, y = -2, and m = -1 into the formula to find b:

-2 = (-1)(4) + b
-2 = -4 + b
4 - 2 = b
2 = b

Since m = -1 and b = 2, the equation of the line is y = -x + 2

Not in the list of answer choices which is weird.

hero · Answer

Are you sure you posted the problem correctly. Is the point (4,-2) correct, for example?