Answer:
29
Step-by-step explanation:
-2x+4+3y-5x-2y
Combine like terms
-7x+1y+4
evaluate
-7(-3) 1(4) 4
Solve
21+4+4
29
The answer is A or c I’m probs wrong
To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y.
There's nothing to substitute, and no solution,
until somebody gives you another equation.