Find the equation of the line that contains the point

Question

P(−3, 3)
and is perpendicular to the graph of
2x + 4y = −3.

I got y=-2x+3/2 but it keeps saying that I'm doing it wrong.

Answer 1

2x+4y=-3 has slope -1/2

your line must then have slope 2, not -2.

y = 2x+9