Question

What is the vertex for the graph of y = 3x2 − 12x + 9?

(−2, 21)

(−2, 45)

(2, −3)

(2, −9)

Question 2 (Multiple Choice Worth 4 points)

[9.02] What are the x-intercept(s) of the graph of y − x2 = 11x + 30?

(−5, 0) and (6, 0)

(5, 0) and (−6, 0)

(−5, 0) and (−6, 0)

(5, 0) and (6, 0)

Question 3 (Multiple Choice Worth 4 points)

[9.01] Identify which equation is a quadratic equation.

y = −6x − 3

y + x2 = (x − 1)(x + 7)

y − 9 = (x − 1)(x2 + 4)

y = 5x(x + 3) − 8

Question 4 (Multiple Choice Worth 4 points)

[9.02] Solve 3x2 = 12x

Answer 1

Can you identify a, b, and c from your equation?

Answer 2

question and is #2 (−5, 0) and (−6, 0)