Roots, Zeroes, and Solutions For Quadratics Day 2

Find roots from the given equation:

𝑎2+12𝑎+32

1.

What is the solution set for the equation 2x2 − 16x − 96 = 0?

A {4, 12}B {−4, 12}C {−4, −12}D {4, −12}

2.

What are the roots of the quadratic equation x2 − 3x + 2 = 0? A −2 and −1 C 2 and −1 B −2 and 1 D 2 and 1

3.

What are the roots of the function graphed below?

F (−1, −9) and (0, −8)G (0, −4) and (2, 0)H (−4, 0) and (2, 0)J (0, 2) and (0, −4)

4.

The graph of f (x) = x2 + x − 6 is shown below. Which of the following is a zero of this function?

F −6G 3H −2J 2

5.

What are the x-intercepts of the graph of the equation y = x2 + x − 12?

A x = 4, x = 3 C x = −4, x = −3

B x = −4, x = 3 D x = 4, x = −3

6.

Find roots from the given equation:

𝑥2−4 𝑥+3=0

7.

8.

What are the zeros of the function f (x) = −4(x − 3)(x + 5)?

A −12 and 20 C −4 and −5 B −5 and 3 D −3 and 5

9.

The graph of y = x2 + 2x − 8 is shown below.Which coordinate pair best represents the vertex of this graph?

F (−4, 0)G (2, 0)H (0, −8)J (−1, −9)10.

11.

Find zeros from the given equation:

𝑚2+17𝑚+66=0

12.

What are the different words that mean x intercepts for quadratics?

13.