Question

The vertex of this parabola is (-2,-3). When the x-value is -1 the y-value is -5. what is the coefficient of the squared expression in the parabola's equation

A.)-2
B.)8
C.)2
D.)-8

Answer 1

The only solution is the first one A. However, it would take a lot of time and space here to explain why this works! So, just trust me! Hope could help! :)