Question

Y = x2 − 2x − 19

y + 4x = 5
The pair of points representing the solution set of this system of equations is (-6, 29) and

Answer 1

y = 5 - 4x

5 - 4x = x^2 - 2x - 19
0 = x^2 + 2x -24
0 = (x + 6)(x - 4)
Therefore x = -6 (Given) or 4

x = 4, y = -9
(4,-9) is the other solution