Writing Algebraic Expression Quiz

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| Written by Soffe1399

Soffe1399

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Quizzes Created: 22 | Total Attempts: 32,202

Questions: 8 | Attempts: 1,113 | Updated: Mar 22, 2023

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Writing Algebraic Expression Quiz - Quiz

Are you having problems writing algebraic expressions? If you need to practice then this quiz is perfect for you. See how many answers you can get correctly.

Questions and Answers

1.

3(m+4)
- A.
  
  3m+12
- B.
  
  M3 +15
- C.
  
  3*m + 12
Correct Answer
A. 3m+12

Explanation
The given expression 3(m+4) represents multiplying 3 by the sum of m and 4. To simplify this expression, we distribute the 3 to both terms inside the parentheses, resulting in 3m+12. This means that the correct answer is 3m+12.

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2.

N stands for the number of stamps John had. He gave 12 stamps to his sister. Which expression tells you how many stamps John has now?
- A.
  
  12-N
- B.
  
  12 x N
- C.
  
  N- 12
- D.
  
  N + 12
Correct Answer
C. N- 12

Explanation
The expression N-12 represents the number of stamps John has now after giving 12 stamps to his sister. By subtracting 12 from the initial number of stamps N, we can determine the remaining quantity.

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3.

4t- 7t
- A.
  
  11t
- B.
  
  3
- C.
  
  3t
- D.
  
  -3t
Correct Answer
D. -3t

Explanation
The given expression is 4t - 7t. To simplify this, we can combine the like terms, which in this case are the terms with the variable t. When we subtract 7t from 4t, we get -3t. Therefore, the correct answer is -3t.

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2
0
4.

-2(n-6)
- A.
  
  -2n +12
- B.
  
  2n-6
- C.
  
  2n+ 12
- D.
  
  2n+4
Correct Answer
A. -2n +12

Explanation
The given expression is -2(n-6). To simplify this expression, we distribute the -2 to both terms inside the parentheses, resulting in -2n + 12. Therefore, the correct answer is -2n + 12.

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5.

Evaluate the given algebraic expression where x=3 and y=48x-y
- A.
  
  24
- B.
  
  20
- C.
  
  28
- D.
  
  8
Correct Answer
B. 20
6.

Evaluate the given algebraic expression where x=3 and y=86x-y
- A.
  
  24
- B.
  
  32
- C.
  
  16
- D.
  
  8
Correct Answer
C. 16

Explanation
The given algebraic expression is 86x-y. Substituting x=3 and y=86x-y into the expression, we get 86(3)-(86(3)) = 258-258 = 0. Therefore, the value of the expression is 0. None of the given answer choices match the correct value of 0, so the correct answer is not provided.

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7.

-(x-3)
- A.
  
  1x+4
- B.
  
  -x+3
- C.
  
  1x-3x
- D.
  
  3-1
Correct Answer
B. -x+3

Explanation
The given expression -(x-3) can be simplified by distributing the negative sign to both terms inside the parentheses. This gives us -x + 3 as the simplified form.

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8.

Simplify the following expression:2y+9+8y+7
- A.
  
  26
- B.
  
  26y
- C.
  
  10y +16
- D.
  
  10y +9+7
Correct Answer
C. 10y +16

Explanation
The given expression is a combination of terms with the variable y and constants. To simplify it, we can combine like terms. Adding the coefficients of the terms with y, we get 2y + 8y = 10y. Adding the constants, we get 9 + 7 = 16. Therefore, the simplified expression is 10y + 16.

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1
0