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Question (1)

QN0015627

Which of the following pairs consists of like terms?

(A) 5x and 5y
(B) 3a and 7a
(C) 4m and 4n
(D) 2p and 2

Correct Answer: B

Explanation:

Like terms have the same variable part.

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Question (2)

QN0015628

Like terms are terms that have:

(A) The same coefficient only
(B) The same variable part
(C) Different variables
(D) No variables

Correct Answer: B

Explanation:

Like terms contain identical variables with the same powers.

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Question (3)

QN0015629

Which of the following is not a like term of 8x?

(A) 2x
(B) –5x
(C) 10y
(D) x

Correct Answer: C

Explanation:

10y has a different variable.

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Question (4)

QN0015630

Simplify: 4x + 7x

(A) 11
(B) 11x
(C) 28x
(D) 3x

Correct Answer: B

Explanation:

Add the coefficients: 4 + 7 = 11.

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Question (5)

QN0015631

Simplify: 12a – 5a

(A) 7a
(B) 17a
(C) 60a
(D) 7

Correct Answer: A

Explanation:

12a – 5a = 7a.

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Question (6)

QN0015632

Simplify: 9m + 3m + 2m

(A) 14
(B) 14m
(C) 54m
(D) 12m

Correct Answer: B

Explanation:

9 + 3 + 2 = 14.

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Question (7)

QN0015633

Simplify: 15p – 8p

(A) 23p
(B) 7
(C) 7p
(D) 120p

Correct Answer: C

Explanation:

Subtract the coefficients: 15 – 8 = 7.

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Question (8)

QN0015634

Simplify: 6n + 4n – 3n

(A) 7n
(B) 13n
(C) 24n
(D) n

Correct Answer: A

Explanation:

6 + 4 – 3 = 7.

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Question (9)

QN0015635

Which expression is already in simplified form?

(A) 3x + 5x
(B) 8y – 2y
(C) 7a
(D) 4m + m

Correct Answer: C

Explanation:

No like terms remain to be combined.

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Question (10)

QN0015636

Simplify: 11k + 9k

(A) 20
(B) 20k
(C) 99k
(D) 2k

Correct Answer: B

Explanation:

11k + 9k = 20k.

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