# Recall Activity Linear Equations In 1 Variable (Gr-8)

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| By Vandan Pillai
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Vandan Pillai
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Quizzes Created: 1 | Total Attempts: 248
Questions: 5 | Attempts: 248

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• 1.

### In a linear equation, the highest power of the variable in the equation is one.

• A.

True

• B.

False

A. True
Explanation
A linear equation is an equation where the highest power of the variable is one. This means that the variable is not raised to any exponent higher than one. In other words, the equation does not involve any squared terms, cubed terms, or any other higher powers of the variable. Therefore, the statement is true.

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• 2.

### In the equation 2x = 4 - x , transporting - x to LHS, we get 3x = 4

• A.

True

• B.

False

A. True
Explanation
By moving -x to the left-hand side of the equation, it becomes 3x = 4. This is a valid step in solving the equation. Therefore, the statement "3x = 4" is true.

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• 3.

### In the equation 3x - 3 = 9 , transporting -3 to RHS ,we get 3x = 9

• A.

True

• B.

False

B. False
Explanation
The given equation is 3x - 3 = 9. To isolate the variable x, we need to move the constant term -3 to the right-hand side of the equation. By doing so, we should have 3x = 12. Therefore, the correct answer is False.

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• 4.

### Two different equations can never have the same answer

• A.

True

• B.

False

B. False
Explanation
This statement is false because two different equations can indeed have the same answer. For example, the equations 2 + 2 = 4 and 3 + 1 = 4 both have the same answer of 4. Therefore, it is possible for different equations to yield the same result.

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• 5.

### 3 years ago, the age of a boy was "y" years. His age 2 years ago was (y - 2 ) years

• A.

True

• B.

False

B. False
Explanation
The statement given in the question is incorrect. It states that the boy's age 2 years ago was (y - 2) years, but this is not necessarily true. The boy's age 2 years ago would be (y - 2) only if his age remained the same for the past 3 years. However, the question does not provide any information about the boy's age in the present or in the past, so we cannot assume that his age has remained constant. Therefore, the correct answer is False.

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• Current Version
• Apr 20, 2023
Quiz Edited by
ProProfs Editorial Team
• Jul 07, 2020
Quiz Created by
Vandan Pillai

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