Chapter 4-6, 4-8 Test, Form A

Chapter 4-6, 4-8 Test, Form A

11 Qs

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Chapter 4-6, 4-8 Test, Form A

Chapter 4-6, 4-8 Test, Form A

Assessment

Quiz

others

Hard

Created by

Terry Giannelli

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image
(4-6) Simplify the following expression.
1
-1
i
-i

2.

MULTIPLE SELECT QUESTION

30 sec • 2 pts

Media Image
If r is a positive real number, then
The above statement is true.
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

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When simplifying the complex expression below...
A
B
C
D

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the complex conjugate of (a - bi)?
(ai + bi)
(a - bi)
(-a + bi)
(a + bi)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
When multiplying complex expressions, what error did the student make in the following:
There is no error, the student simplified this correctly in standard form.
The -2i squared should not be negative, but a positive so its 2i squared + 7i + 4 in standard form.
The -2i squared should not be negative, but a positive so its 2i squared - 7i - 4 in standard form.
The i squared should be simplified to -1, so it sums with 4 equaling 6, so its standard form is 6 + 7i

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image
Using the Quadratic Formula Above....
A
B
C
D

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image
Use the quadratic formula and show your work for the following to get full credit:
A
B
C
D

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