Question

Which of the following has a slope of –2 and a y-intercept of 4?

A.
y = –2x + 4

B.
y = 2x – 4

C.
y = 2x + 4

D.
y = –2x – 4

Answer 1

y=mx+b
m is slope
b is y intercept

Answer 2

A ?

Answer 3

Yep you got it.

Answer 4

Sure

Answer 5

A perpendicular line is the negative inverse slope of a line.

Answer 6

Almost. That is the negative slope, but not the negative INVERSE of the line.

Answer 7

No. Do you understand what the negative inverse is?

Answer 8

Yes the reciprocal is D the reciprocal?

Answer 9

No it isn't. What is your original slope? Then tell me the reciprocal.

Answer 10

What is the slope of that equation.