Question

What are the coordinates of the intersection of the graphs of 3x - y^2 = 12 and y = -3

Answer 1

(7,-3)

Explanation:

y = -3

substitute in the first equation

3x - y^2 = 12

3x - (-3)^2 = 12

3x - 9 = 12

3x = 12 + 9

3x = 21

x = 7

coordinates of intersection (7,-3)