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Simplifying Algebraic Expressions: Basic Operations - JSS1 Mathematics Past Questions and Answers - page 1

1

Simplify the expression: 
2๐‘ฅ+3๐‘ฅโˆ’๐‘ฅ

A

4๐‘ฅ

B

5๐‘ฅ

C

2๐‘ฅ

D

6๐‘ฅ

correct option: a
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2

What is the result of (4๐‘Ž)(โˆ’3๐‘)?

A

โˆ’12๐‘Ž๐‘

B

12๐‘Ž๐‘

C

โˆ’7๐‘Ž๐‘

D

1๐‘Ž๐‘

correct option: a
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3

Simplify the expression: 10๐‘ฆ3/2๐‘ฆ

A

5๐‘ฆ3

B

5๐‘ฆ4

C

10๐‘ฆ2

correct option: a
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4

Combine like terms: 3๐‘ฅ+7โˆ’5๐‘ฅ+2

A

โˆ’2๐‘ฅ+9

B

2๐‘ฅ+5

C

โˆ’2๐‘ฅ+5

D

2๐‘ฅ+9

correct option: c
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5

What is the simplified form of 6๐‘š2+3๐‘šโˆ’4๐‘š2+2๐‘š?

A

2๐‘š2+5๐‘š

B

10๐‘š2+5๐‘š

C

2๐‘š2+๐‘š

D

6๐‘š2โˆ’2๐‘š

correct option: a
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6

Simplify (3๐‘ฅ)(2๐‘ฅ)

A

6๐‘ฅ

B

6๐‘ฅ2

C

5๐‘ฅ2

D

5๐‘ฅ

correct option: b
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7

Simplify the expression: 7๐‘ฆโˆ’2๐‘ฆ+5๐‘ฆ

8

What is the result of (5๐‘Ž)(โˆ’4๐‘)?

5x4=20

๐‘Žx-๐‘ = -๐‘Ž๐‘

โˆ’20๐‘Ž๐‘

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9

Simplify the expression: 12๐‘ฅ4/3๐‘ฅ2

10

Combine like terms: 4๐‘2+3๐‘โˆ’2๐‘2+5๐‘

2๐‘2+8๐‘

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