X² - 3x - 4 = 0
Reverse FOIL method . . .
(x - 4)(x + 1) = 0
one of the paranthesis has to be equal to zero if the other is not . . .
x - 4 = 0
<u><em>x = 4</em></u>
x + 1 = 0
<u><em>x = -1</em></u>
<span>y = (1/2)x + 5 hope this helps</span>
Answer:
Perpendicular
Step-by-step explanation:
A perpendicular line has an opposite slope. one of these has 5x and one has -5x, these are opposite, so they are perpendicular.
It’s a or b I’m. To really sure
