Unit Test — Unit test Answers

0 verified answers
1
Free Preview

Which expression is equivalent to ?

Question illustration
A
mc008-2.jpg
Option A
B
mc008-3.jpg
Option B
C
mc008-4.jpg
Option C
D
mc008-5.jpg
Option D
2
Free Preview

Which expression is equivalent to ?

Question illustration
A
mc023-2.jpg
Option A
B
mc023-3.jpg
Option B
C
mc023-4.jpg
Option C
D
mc023-5.jpg
Option D
3

The area of a rectangle, A = l • w is represented by the expression . Which could be the dimensions of the rectangle?

Question illustration
A
mc025-2.jpg
Option A
B
mc025-3.jpg
Option B
C
mc025-4.jpg
Option C
D
mc025-5.jpg
Option D
4

Which expression is equivalent to ?

Question illustration
A
mc012-2.jpg
Option A
B
mc012-3.jpg
Option B
C
mc012-4.jpg
Option C
D
mc012-5.jpg
Option D
5

Which expressions are equivalent to ? Check all that apply.

Question illustration
A
(6 Superscript 0 Baseline) Superscript 16
Option A
B
(6 Superscript 8 Baseline) Superscript 8
Option B
C
(6 Superscript negative 4 Baseline) Superscript negative 4
Option C
D
(6 Superscript negative 2 Baseline) Superscript negative 8
Option D
E
(6 Superscript negative 1 Baseline) Superscript 16
Option E
F
(6 Superscript 8 Baseline) squared
Option F
6

What is the value of b in the equation ?

Question illustration
A
–405
B
–5
C
5
D
405
7

Which expression is equivalent to ?

Question illustration
A
r Superscript 42
Option A
B
StartFraction 1 Over r Superscript 42 Baseline EndFraction
Option B
C
Negative 7 r Superscript 6
Option C
D
StartFraction 1 Over r EndFraction
Option D
8

What is the pattern in the values as the exponents increase?Powers of 3Value139

Question illustration
A
add 3 to the previous value
B
subtract 3 from the previous value
C
divide the previous value by 3
D
multiply the previous value by 3
9

Which is the value of the expression ?

Question illustration
A
1
B
2
C
8
D
10
10

Which equation finds the area of a square with a side length of units?

Question illustration
A
square units
Option A
B
square units
Option B
C
square units
Option C
D
square units
Option D
11

Which expression is equivalent to ?

Question illustration
A
mc014-2.jpg
Option A
B
mc014-3.jpg
Option B
C
mc014-4.jpg
Option C
D
mc014-5.jpg
Option D
12

The area of a square is square units. What is the side length of one side of the square?

Question illustration
A
units
Option A
B
units
Option B
C
units
Option C
D
units
Option D
13

Which expression is equivalent to ?

Question illustration
A
q cubed
Option A
B
q Superscript 8
Option B
C
q Superscript 12
Option C
D
q Superscript 36
Option D
14

The table shows a pattern of exponents.Powers of 5Value1252551What is the pattern as the exponents decrease?

Question illustration
A
subtract 5 from the previous value
B
subtract 100 from the previous value
C
divide the previous value by 5
D
divide the previous value by 25
15

Which equation finds the volume of a cube with a side length of units?

Question illustration
A
cubic units
Option A
B
cubic units
Option B
C
cubic units
Option C
D
cubic units
Option D
16

What is the value of b in the equation ?

Question illustration
A
–20
B
–6
C
6
D
20
17

Nadine and Calvin are simplifying the expression .Nadine claims the first step to simplify the expression is to raise the numerator and denominator to the power of 4 to get .Calvin claims the first step to simplify the expression is to apply the quotient of powers to get .Who is correct and why?

Question illustration
A
Nadine is incorrect because she should have applied the quotient of powers rule first.
B
Nadine is correct because she correctly applied the power of a product rule.
C
Calvin is incorrect because he should have applied the power of a product rule first.
D
Calvin is correct because he correctly applied the quotient of powers rule.
18

Which is the simplified form of ?

Question illustration
A
x Superscript 12
Option A
B
Negative x Superscript 12
Option B
C
StartFraction 1 Over x Superscript 12 EndFraction
Option C
D
Negative StartFraction 1 Over x Superscript 12 EndFraction
Option D
19

Which expression is equivalent to ?

Question illustration
A
mc003-2.jpg
Option A
B
mc003-3.jpg
Option B
C
mc003-4.jpg
Option C
D
mc003-5.jpg
Option D
20

Fatima evaluated the expression , when and . Her work is shown below. What was Fatima’s error?

Question illustration
A
She subtracted the exponents incorrectly when simplifying the expression.
B
She substituted the wrong values for the variables.
C
She did not correctly follow the order of operations by applying the exponent to .
Option C
D
She found an incorrect value for since the value should be negative.
Option D

Did you find these answers helpful?

More from this Course