Answer: 55 miles per hour
Step-by-step explanation:
Answer:
Nope
Step-by-step explanation:
so x=5
substituting for x in the equation we get:

Ans C: 16
Answer:
y = (x - 2)² + 9
Step-by-step explanation:
To obtain the equation in vertex form use the method of completing the square.
Add/ subtract ( half the coefficient of the x- term)² to x² - 4x
y = x² + 2(- 2)x + 4 - 4 + 13
= (x - 2)² + 9 ← in vertex form