Practice with Solving Quadratics HW

Front

Solve the following polynomial: 2x² + 7x - 15 = 0

Back

-5 or 1.5

Front

x² + 4x - 40 = -8

Back

-8 & 4

Front

2x² + 2x - 12 = 0

Back

x = -3 ; x = 2

Front

What are the zeros of the function?
f(x) = x² + x - 20

Back

x = -5 ; x = 4

Front

What are the zeros?

Back

x= 0 and x= 4

Front

How many zeros does this parabola have? Options: 3, 2, 0, 1

Back

2

Front

When does the rocket hit the ground? Function: h(t) = -16t^2 + 96t

Back

6 seconds

Front

h = -2t^2 + 7t + 4; Find h when t = 1 second.

Back

9

Front

You jump off a 24 foot high cliff and your fall is modeled by the function: h(t) = -16t² + 8t + 24 How long would it take you to hit the water?

Back

1.5 seconds