AnswersTX-Algebra I A-CRUnit Test

Unit Test — Unit test Answers

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What is the factored form of the polynomial?x2 − 15x + 36

A
(x − 4)(x − 9)
B
(x − 3)(x − 12)
C
(x + 4)(x + 9)
D
(x + 3)(x + 12)
2
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Mandisa draws a rectangle to represent the area of her yard. The area can be represented by 10x2 – 13x – 14.

Question illustration
A
(2x + 2) and (5x – 7)
B
(5x – 2) and (2x + 7)
C
(x – 2) and (10x + 7)
D
(10x + 2) and (x – 7)
3

Which expression is equivalent to ?

Question illustration
A
mc022-2.jpg
Option A
B
mc022-3.jpg
Option B
C
mc022-4.jpg
Option C
D
mc022-5.jpg
Option D
4

The volume of a rectangular prism can be found by multiplying the base area, B, times the height.

Question illustration
A
15x + +
Option A
B
15x + +
Option B
C
15 + +
Option C
D
15 + +
Option D
5

What is the greatest common factor of 8m, 36m3, and 12?

A
4
B
8
C
4m
D
8m
6

Arpitha factors out the greatest common factor, 9n, from the terms of the polynomial shown.162m3n4 + 45n= 9n(_______ + 5)

A
16m3n3
B
16m3n4
C
18m3n3
D
18m3n4
7

What is the greatest common factor of 4xy2 and 20x2y4?

A
4xy
B
4xy2
C
24xy
D
24xy2
8

Which is true about the completely simplified difference of the polynomials 6x6 − x3y4 − 5xy5 and 4x5y + 2x3y4 + 5xy5?

A
The difference has 3 terms and a degree of 6.
B
The difference has 4 terms and a degree of 6.
C
The difference has 3 terms and a degree of 7.
D
The difference has 4 terms and a degree of 7.
9

What is the quotient?x + 5 )4x2 + 14x − 9

A
4x + 6 +
Option A
B
4x + 6 −
Option B
C
4x − 6 +
Option C
D
4x − 6 −
Option D
10

Which expression is equivalent to ?

Question illustration
A
StartFraction x Superscript one-half baseline Over y z squared EndFraction
Option A
B
StartFraction x Superscript one-half baseline Over y Superscript one-fourth Baseline z squared EndFraction
Option B
C
StartFraction y Superscript one-half Baseline Over x z squared EndFraction
Option C
D
StartFraction x z squared Over y Superscript one-half EndFraction
Option D
11

The area of a square can be represented by the expression x10. Which monomial represents a side of the square?

A
x2
B
x5
C
x20
D
x100
12

Which expression is equivalent to ?

Question illustration
A
mc026-2.jpg
Option A
B
mc026-3.jpg
Option B
C
mc026-4.jpg
Option C
D
mc026-5.jpg
Option D
13

Which expression is equivalent to ?

Question illustration
A
mc004-2.jpg
Option A
B
mc004-3.jpg
Option B
C
mc004-4.jpg
Option C
D
mc004-5.jpg
Option D
14

Which expression is equivalent to ?

Question illustration
A
mc009-2.jpg
Option A
B
mc009-3.jpg
Option B
C
mc009-4.jpg
Option C
D
mc009-5.jpg
Option D
15

Which is a factor of 6x2 + x − 7?

A
x + 1
B
2x + 1
C
6x + 7
D
3x + 7

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