What is an equation of the line that passes through the point (−2,5) and is perpendicular to the line whose equation is y = ½ x + 5?
A. y = 2x + 1
B. y = −2x + 1
C. y = 2x + 9
D. y = −2x − 9
Please help? Medal will be given to best answer!

Question

What is an equation of the line that passes through the point (−2,5) and is perpendicular to the line whose equation is y = ½ x + 5?
	A.	y = 2x + 1
	B.	y = −2x + 1
	C.	y = 2x + 9
	D.	y = −2x − 9
Please help? Medal will be given to best answer!

anonymous · Answer

First you will need to find which of the choices actually have a perpendicular slope to the given equation.

anonymous · Answer

To find the perpendicular slope, you need to see what the slope of your given equation is and then flip it and and a negative.

anonymous · Answer

add*

anonymous · Answer

Which of the two choices can you eliminate right off the bat?

anonymous · Answer

Can you show me how? This is a review question and I dont remember this at all

anonymous · Answer

Alright, so your given equation is $$y=\frac{ 1 }{ 2 }x+5$$

anonymous · Answer

correct?

anonymous · Answer

yes

anonymous · Answer

Ok, so to find the slope of your equation, the slope is always going to be |dw:1383192900836:dw|