SOLUTION: can someone please help me with this problem: Which of the following is a line perpendicular to y = 1/2x + 4 ? a. y = 1/2x - 1/4 b. y = 2x - 4 c. y = 2x - 1/4 d. y = -2x

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: can someone please help me with this problem: Which of the following is a line perpendicular to y = 1/2x + 4 ? a. y = 1/2x - 1/4 b. y = 2x - 4 c. y = 2x - 1/4 d. y = -2x      Log On


   



Question 160114: can someone please help me with this problem:
Which of the following is a line perpendicular to y = 1/2x + 4 ?
a. y = 1/2x - 1/4
b. y = 2x - 4
c. y = 2x - 1/4
d. y = -2x

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Answer "d" because its slope is -2 and
(-2)*(1/2) = -1
So the lines are perpendicular.
Cheers,
Stan H.