
Home > CAAC > Chapter 8 > Lesson 8.2.3 > Problem 8-68
8-68.
The x coordinate of the vertex is halfway between 3 and 5.
x = 4
Substitute the vertex value of x back into the original equation to find y.
y = 2(42) − 16(4) + 30
Solve for y.
y = −2
Coordinates = (4, −2)