Quadratics Review

Front

Vertex of the quadratic function: y=1/2(x-3)²+8?

Back

(3,8)

Front

What are the x-intercepts? Options: 0 and 2, -4 and 0, 2 and 3, 0 and 4

Back

0 and 4

Front

What is the maximum value of the function shown? Options: 4, 3, 1, -3

Back

4

Front

Solve by taking square roots:
k² - 6 = 43

Back

k = 7, k = -7

Front

Solve
a² + 2a - 24 = 0

Back

a = -6, 4

Front

Equation of the parabola from the graph: y= –(x-1)(x-3), y= –(x+1)(x+3), y= (x-1)(x-3), y= (x+1)(x+3)

Back

y= –(x-1)(x-3)

Front

The graph below describes a ball that was kicked. Which of the following is a true statement describing the graph? Options: The ball was kicked from 500 centimeters from the ground and it traveled for 4 seconds., The ball was kicked from the ground and it was in the air for 4 seconds., The ball had a maximum height of 2000 centimeters and it was in the air for a total of 2 seconds., The ball had a maximum height of 1000 centimeters and it was in the air for 4 seconds.

Back

The ball was kicked from the ground and it was in the air for 4 seconds.

Front

What are the zeros for the quadratic function? Options: (-6, 0) and (14, 0), (-50, 0) and (14, 0), (-6, 0) and (-50, 0), (-50, 0) and (-60, 0)

Back

(-6, 0) and (14, 0)

Front

A rocket was launched from a balcony 10 feet from the ground. The rocket modeled the equation h(t)= -t² + 6t + 10, where t represent time in seconds and h(t) represents the height in feet. What is the maximum height the rocket will reach before it starts to go back down?

Back

19 feet

Front

Will the following function open up or down: -2x²-3x+4

Back

Down