Practice problem
Which of the following lines is perpendicular to this given line: y=2x+4y = 2x+4y=2x+4
y=−12x+8y = \frac{-1}{2}x + 8y=2−1x+8
y=12x+8y = \frac{1}{2}x + 8y=21x+8
y=2x+4y = 2x + 4y=2x+4
y=2x−4y = 2x - 4y=2x−4
y=−2x+4y = -2x +4y=−2x+4
y=−12x−4y = \frac{-1}{2}x - 4y=2−1x−4
Type a concept, like “slope” or “photosynthesis”.