Algebraic Expressions And Equations Class V1- Red

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| By Yasmeen Jadoon
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Yasmeen Jadoon
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Quizzes Created: 1 | Total Attempts: 248
| Attempts: 248 | Questions: 10 | Updated: Aug 2, 2023
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1) 4) 7x + 4 when x= 6

Explanation

When we substitute x = 6 into the expression 7x + 4, we get 7(6) + 4 = 42 + 4 = 46. Therefore, the correct answer is 46.

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About This Quiz
Simplifying Expressions Quizzes & Trivia

This Algebraic Expressions and Equations Class V1- Red quiz assesses skills in simplifying expressions and solving basic algebraic equations. It covers operations with polynomials, distributive property, exponent rules, and substitution, making it ideal for enhancing algebraic understanding.

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2) 5)  y + 3z when y=5 & z=6

Explanation

The correct answer is 23 because when we substitute y=5 and z=6 into the expression y + 3z, we get 5 + 3(6) which simplifies to 5 + 18 = 23.

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3) 2) 5(2d + 2e)

Explanation

The given expression is 5(2d + 2e), which can be simplified by distributing the 5 to both terms inside the parentheses. This results in 10d + 10e, which is the same as the correct answer.

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4) 8) 9x + 24y

Explanation

The given expression is 9x + 24y. The correct answer, 3(3x+8y), is obtained by factoring out the greatest common factor (GCF) from the terms 9x and 24y. The GCF of 9x and 24y is 3, so we divide both terms by 3 to get 3x and 8y. Therefore, the expression can be simplified as 3(3x+8y), which is the correct answer.

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5) 10)  4a + 9b – 3a – 5b

Explanation

The given expression is a combination of like terms. By combining the terms with 'a' and 'b', we can simplify the expression to a + 4b.

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6) 7) Product of 9 and a number r

Explanation

The expression "Product of 9 and a number r" can be written as 9r. This is because when we multiply 9 by any number r, we get the product 9r. Therefore, the correct answer is 9r.

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7) 9)Bob is now d years old. Write an expression for his age in 6 years time.

Explanation

The expression "d + 6" represents Bob's age in 6 years time. Adding 6 to his current age (d) gives us the age he will be after 6 years.

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8) 6) 14 decreased from a number p

Explanation

The expression "p-14" represents the phrase "14 decreased from a number p". This means that we are subtracting 14 from the number p.

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9) 1) p² + p² + p²

Explanation

The expression p² + p² + p² can be simplified by combining like terms. Since all three terms have the same base (p) and exponent (2), we can add the coefficients together to get 3p². Therefore, the correct answer is 3p².

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10) 3) (2³)4

Explanation

The given expression (2^3)^4 can be simplified by raising 2 to the power of 3, which equals 8. Then, 8 is raised to the power of 4, resulting in 8^4 = 2^12 = 4096. Therefore, the correct answer is 212.

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4) 7x + 4 when x= 6
5)  y + 3z when y=5 & z=6
2) 5(2d + 2e)
8) 9x + 24y
10)  4a + 9b – 3a – 5b
7) Product of 9 and a number r
9)Bob is now d years old. Write an expression for his age in 6 years...
6) 14 decreased from a number p
1) p² + p² + p²
3) (2³)4
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