Quiz about Quadratics Assessment

Question 1

Which equation matches the graph?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 2

Solve the given equation using the Quadratic Formula. Make sure you fully simplify your answer.

Accepted Answer

$$\frac{-5\pm i\sqrt{7}}{2}$$

Answer

$$\frac{-5\pm\sqrt{57}}{2}$$

Answer

$$\frac{5\pm\sqrt{57}}{2}$$

Answer

$$\frac{5\pm i\sqrt{7}}{2}$$

Question 3

What are the roots of the function
f(x)= (x - 2)(x + 3)?

Accepted Answer

x = 2 or x = -3

Answer

x = - 2 or x = 3

Answer

The are no real roots

Answer

x = 2 or x = 3

Question 4

Which quadratic has COMPLEX roots?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 5

Simplify.

Accepted Answer

5i

Answer

-5i

Answer

5

Answer

-5

Question 6

The graph shows a graph of a baseball being thrown in the air. Please state the domain and range of the following function. (Keep in mind a ball can't go through the ground)

Accepted Answer

Domain: $$0\le x\le10$$

Range: $$0\le y\le116$$

Answer

Domain: All Real Numbers

Range: All Real Numbers

Answer

Domain: All Real Numbers

Range: $$y\le116$$

Question 7

A baker determined the annual profit in dollars from selling pies using

p ( n ) = 52 n - 0.05 n ² , where n is the number of pies sold. What is the annual profit if the baker sells 200 pies?

(You can always plug in 200 for x) 200 sto-> x

Remember a variable can be changed, so change n to x.

Accepted Answer

$8400

Answer

-$2400

Answer

$9000

Answer

$6000

Question 8

Question 8.

Accepted Answer

x = -6 & -3

Answer

x = 6 & 3

Answer

x = -6 & 3

Answer

x = 6 & -3

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics