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Unit 2 Test

Last updated almost 3 years ago

20 questions

1

1

2

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2

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1

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Question 1

1.

(3-2i)(2+i)=

Write your answer in the form a+bi

Question 2

2.

(3+2i)-(4-5i)=

Write your answer in the form a+bi

Question 3

3.

Question 4

4.

Question 5

5.

What is the vertex of the parabola?

Question 6

6.

What is the vertex of the parabola?

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Solve using the Square Root Method.

Question 15

15.

Solve using the Square Root Method.

Question 16

16.

What was the initial height of the ball when it was hit?

Question 17

17.

What is the maximum height the ball reaches?

Question 18

18.

Question 19

19.

Question 20

20.

Rationalize the denominator and simplify completely.

Use the discriminant to determine what type of solution(s) this equation will have.

2 imaginary solutions

1 real solution

2 real solutions

What is the range of the parabola?

[-3,\infty)

[-1,\infty)

(-\infty,-3]

(-\infty,\infty)

What is the domain of the parabola?

(-\infty,-3]

(-\infty,\infty)

[-3,\infty)

[-1,\infty)

Does this parabola have a maximum or minimum value?

maximum

minimum

A carpenter standing on a ladder drops a hammer 28 feet above the ground. How long does it take the hammer to hit the ground? 

1.3 seconds

1.75 seconds

2.3 seconds

2.8 seconds

Solve by factoring (or Quadratic formula) and select TWO correct answers.

3

7

-1

-3

0

-7

Solve by factoring GCF (or Quadratic formula) and select TWO correct answers.

0

-1

1

5

-5

Solve using the Quadratic Formula.

After how many seconds does the ball hit the ground? Round to the nearest hundredth!

4.05 seconds

3.15 seconds

5 seconds

3.87 seconds

Select the correct graph for the quadratic function:

Which quadratic function has the widest parabola?