Quiz about Roots of Quadratic Functions

Question 1

Solve each equation to determine the zeros.

Accepted Answer

$$-1+-\ \sqrt[]{2}$$

Answer

$$4+-\ \sqrt[]{8}$$

Answer

$$4+-\ \sqrt[]{3}$$

Answer

$$10+-\ \sqrt[]{10}$$

Question 2

Solve each equation to determine the zeros.

Accepted Answer

$$-3+-\ \sqrt[]{5}$$

Answer

$$-3+-\ \sqrt[]{10}$$

Answer

$$-10+-\ \sqrt[]{2}$$

Answer

$$3+-\ \sqrt[]{10}$$

Question 3

Determine the roots by factoring, if possible. If not, complete the square.

Accepted Answer

1.16

Accepted Answer

-5.16

Answer

2.65

Answer

-3.45

Question 4

Determine the roots by factoring, if possible. If not, complete the square.

Accepted Answer

9.32

Accepted Answer

2.68

Answer

4.96

Answer

7.81

Question 5

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 6

Find all roots of the given equation.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 7

Question 7.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 8

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 9

Given this graph is the function of $$y=x^2-2x-8$$ , what is the solution to $$x^2=2x+8$$ ?

Accepted Answer

x = {-2, 4}

Answer

(1, 9)

Answer

(0, 8)

Answer

x = {5, 2}

Question 10

What is another name for the x-intercepts of a quadratic?

Accepted Answer

Zeros

Answer

y-intercept

Answer

x-axis

Answer

They don't have another name

Question 11

Determine the roots by factoring, if possible. If not, complete the square.

Accepted Answer

Accepted Answer

Answer

Answer

Question 12

Determine the solutions of each quadratic expression by factoring.

Accepted Answer

-7

Accepted Answer

5

Answer

7

Answer

-5

Question 13

Determine the solutions of each quadratic expression by factoring.

Accepted Answer

-10

Accepted Answer

-5

Answer

10

Answer

5

Question 14

Determine the solutions of each quadratic expression by factoring.

Accepted Answer

12

Accepted Answer

-3

Answer

-12

Answer

3

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