Question 1

What is the solution set for the quadratic equation
x$^2$ − 16 = 0?

Accepted Answer

{−4, 4}

Answer

{256}

Answer

{−256, 256}

Answer

{4}

Question 2

The function y = x$^2$ + x − 6 is graphed below.
What are the values of x when x$^2$ + x − 6 = −4?

Accepted Answer

x = −2 and x = 1

Answer

x = −5 and x = −6

Answer

x = −3 and x = 2

Answer

x = −4 and x = 6

Question 3

A table of values for the quadratic function f is shown below. If 3 is one solution to f(x) = 0, what is the value of the other solution?

Accepted Answer

-7

Question 4

The table of values for quadratic function g is shown below. 
If 1 is a solution to g(x) = 0, what is the other solution?

Accepted Answer

3

Answer

-1

Answer

6

Answer

-2

Question 5

What are the solutions to the equation x$^2$ − 4x = −1?

Accepted Answer

https://uploads.quizalize.com/a4a293dd-1aa6-4ac2-8e25-3772761571e6/question/dd454215d21a5d68641bad445d6c0f7f54b5b3a8.png

Answer

https://uploads.quizalize.com/a4a293dd-1aa6-4ac2-8e25-3772761571e6/question/d134946d0c77f799b4e8ad62bf270273940f9d1b.png

Answer

https://uploads.quizalize.com/a4a293dd-1aa6-4ac2-8e25-3772761571e6/question/3ad22722893c968f9cc196bfc5a993b2ba662eff.png

Answer

https://uploads.quizalize.com/a4a293dd-1aa6-4ac2-8e25-3772761571e6/question/571fbd64dea40b702287a81b1ed8dfd79f9e3b05.png

Question 6

Which statement about the quadratic equation below is true?

−4.5x$^2$ + 72 = 0

Accepted Answer

The equation has x = 4 and x = −4 as its only solutions.

Answer

The equation has x = 4 as its only solution.

Answer

The equation has no real solutions.

Answer

The equation has an infinite number of solutions.

Question 7

The graph of quadratic function r is shown on the grid. What is a solution to r(x) = 0?

Accepted Answer

14

Answer

4

Answer

-60

Answer

-50

Question 8

The function L = 0.8T$^2$   models the relationship between L, the length in feet of a pendulum, and T, the period in seconds of the pendulum. Which value is closest to the period in seconds for a pendulum that is 30 ft long?

Accepted Answer

6.1 s

Answer

4.9 s

Answer

5.4 s

Answer

6.8 s

Question 9

What are the solutions to the equation
3x$^2$ + 15x = 18?

Accepted Answer

x = −6 and x = 1

Answer

x = 6 and x = 13

Answer

x = −3 and x = −2

Answer

x = 0 and x = 1

Question 10

Which expression is equivalent to 
2x$^2$ + (4x - 6x$^2$) + 9 - (6x + 3)?

Accepted Answer

-4x$^2$ - 2x + 6

Answer

-10x + 6

Answer

-4x$^2$ - 2x + 12

Answer

18x + 12

Question 11

A shoe company is going to close one of its two stores and combine all the inventory from both stores. These polynomials represent the inventory in each store:

Store A: $\frac{1}{2}$g$^2$ + $\frac{7}{2}$

Store B: 3g$^2$ - $\frac{4}{5}$g + $\frac{1}{4}$

Which expression represents the combined inventory of the two stores?

Accepted Answer

$\frac{7}{2}$g$^2$ - $\frac{4}{5}$g + $\frac{15}{4}$

Answer

$\frac{7}{2}$g$^2$ + $\frac{4}{5}$g + $\frac{15}{4}$

Answer

$\frac{7}{2}$g$^2$ - $\frac{4}{5}$g + $\frac{4}{3}$

Answer

$\frac{7}{2}$g$^2$ + $\frac{4}{5}$g + $\frac{4}{3}$

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