Algebra I Semester Exam

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Quizzes Created: 2 | Total Attempts: 371
| Attempts: 242
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  • 1/20 Questions

    Solve the following equation 8( x - 5)  = -40

    • X = 0
    • X = 10
    • X = -10
    • X = 5
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Algebra I Semester Exam - Quiz
About This Quiz

The 'Algebra I Semester Exam' assesses fundamental algebra skills. It includes solving linear equations, applying the distributive property, simplifying expressions, and writing algebraic expressions. This quiz is essential for understanding basic algebra concepts, enhancing problem-solving skills, and preparing for advanced mathematical studies.

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  • 2. 

    Write an algebraic expression for the phrase the quotient of n and 6.

    • N + 6

    • 6n

    • N/6

    • N - 6

    Correct Answer
    A. N/6
    Explanation
    The phrase "the quotient of n and 6" means dividing n by 6. Therefore, the algebraic expression for this phrase would be n/6.

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  • 3. 

    Which expression is equivalent to 2b - 3a +b + a?

    • B - 2a

    • B - 4a

    • 3b - 4a

    • 3b - 2a

    Correct Answer
    A. 3b - 2a
    Explanation
    The given expression can be simplified by combining like terms. 2b and b can be combined to give 3b, and -3a and a can be combined to give -2a. Therefore, the equivalent expression is 3b - 2a.

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  • 4. 

    Solve: 2(n -3) = -14

    • N = -7

    • N=-4

    • N = 6

    • N = 5

    Correct Answer
    A. N=-4
    Explanation
    To solve the equation 2(n - 3) = -14, we first distribute the 2 to both terms inside the parentheses, giving us 2n - 6 = -14. Then, we isolate the variable by adding 6 to both sides of the equation, resulting in 2n = -8. Finally, we divide both sides by 2 to solve for n, giving us n = -4. Therefore, the correct answer is n = -4.

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  • 5. 

    Simplify (2n^4)^3

    • 8n^7

    • 8n^12

    • 6n^7

    • 2n^12

    Correct Answer
    A. 8n^12
    Explanation
    To simplify (2n^4)^3, we need to raise both the coefficient and the exponent inside the parentheses to the power of 3. The coefficient 2 raised to the power of 3 is 8. The exponent n^4 raised to the power of 3 is 12, since we multiply the exponents. Therefore, the simplified expression is 8n^12.

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  • 6. 
    Simplify - - ProProfs

    Simplify -

    • -3

    • 3

    • 0

    • 1

    Correct Answer
    A. -3
  • 7. 

    What is the opposite of 3/2?

    • 2/3

    • -2/3

    • -3/2

    • 1

    Correct Answer
    A. -3/2
    Explanation
    The opposite of a fraction is obtained by changing the sign of the numerator while keeping the denominator the same. In this case, the opposite of 3/2 would be -3/2, as the numerator is changed to its opposite sign while the denominator remains unchanged.

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  • 8. 

    Solve the following equation 3x + 9 = 24

    • X =-5

    • X = 15

    • X = 3

    • X = 5

    Correct Answer
    A. X = 5
    Explanation
    To solve the equation 3x + 9 = 24, we need to isolate the variable x. First, we subtract 9 from both sides of the equation to get 3x = 15. Then, we divide both sides by 3 to solve for x, which gives us x = 5. Therefore, the correct answer is x = 5.

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  • 9. 
    Simplify the following expression. - ProProfs

    Simplify the following expression.

    • 5/4

    • -5/4

    • 4/5

    • -4/5

    Correct Answer
    A. 4/5
    Explanation
    The given expression can be simplified by combining like terms. The fractions -5/4 and 5/4 are like terms because they have the same denominator. When we subtract -5/4 from 5/4, we get 10/4. Similarly, the fractions -4/5 and 4/5 are like terms. When we subtract -4/5 from 4/5, we get 8/5. Therefore, the simplified expression is 10/4 - 8/5.

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  • 10. 

    Simplify 4 + 10( 5 -3)^2

    • 28

    • 44

    • 56

    • 404

    Correct Answer
    A. 44
    Explanation
    The expression follows the order of operations, which states that we should first simplify within parentheses, then perform any exponents, and finally perform any multiplication or division from left to right. In this case, within the parentheses, 5 - 3 equals 2. Then, we have 10 multiplied by 2 squared, which equals 40. Finally, we add 4 to 40, resulting in 44.

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  • 11. 

    What is the value of 5x + 2y when x = -1 and y = 4

    • -3

    • 3

    • 13

    • 18

    Correct Answer
    A. 3
    Explanation
    To find the value of 5x + 2y when x = -1 and y = 4, we substitute the given values into the expression. Plugging in x = -1 and y = 4, we get 5(-1) + 2(4) = -5 + 8 = 3. Therefore, the value of 5x + 2y when x = -1 and y = 4 is 3.

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  • 12. 

    Solve 3( x + 2) - 5 = 16

    • 3

    • 5

    • 7

    • 9

    Correct Answer
    A. 5
    Explanation
    To solve the equation 3(x + 2) - 5 = 16, we first distribute the 3 to the terms inside the parentheses: 3x + 6 - 5 = 16. Then, we combine like terms by subtracting 5 from both sides of the equation: 3x + 1 = 16. Next, we isolate the variable by subtracting 1 from both sides: 3x = 15. Finally, we solve for x by dividing both sides by 3: x = 5.

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  • 13. 

    What is the reciprocal of -40?

    • 40

    • 1/40

    • -1/40

    • -1

    Correct Answer
    A. -1/40
    Explanation
    The reciprocal of a number is obtained by dividing 1 by that number. In this case, the reciprocal of -40 would be -1/40, since -40 divided by 1 is -1/40.

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  • 14. 
    Simplify ( - ProProfs

    Simplify (

    • 2x^2 - 7x + 1

    • 2x^2 - 7x + 15

    • 2x^2 + 3x + 1

    • 2x^2 + 3x + 15

    Correct Answer
    A. 2x^2 + 3x + 15
    Explanation
    The given expression cannot be simplified any further because there are no common factors or like terms that can be combined. Therefore, the expression 2x^2 + 3x + 15 is already in its simplest form.

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  • 15. 

    Identify the property that is illustrated in the following expression. 6( 12 - 3) = 6(12) - 6(3)

    • Associative Property

    • Distributive Property

    • Commutative Property

    • Multiplicative Property of Zero

    Correct Answer
    A. Distributive Property
    Explanation
    The expression 6(12 - 3) = 6(12) - 6(3) demonstrates the Distributive Property. This property states that when multiplying a number by the sum or difference of two other numbers, we can distribute the multiplication to each term inside the parentheses. In this case, the 6 is being multiplied by the difference (12 - 3), and we can distribute the multiplication to both terms inside the parentheses, resulting in 6(12) - 6(3).

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  • 16. 
    Simplify the following expression: -20 - (-5)() - ProProfs

    Simplify the following expression: -20 - (-5)()

    • 40

    • -60

    • -40

    • 60

    Correct Answer
    A. -40
    Explanation
    The expression -20 - (-5) can be simplified by removing the parentheses and applying the rule of subtracting a negative number, which is equivalent to adding the positive number. So, -20 - (-5) becomes -20 + 5, which equals -15. However, none of the given answer options match the correct answer of -15, so the correct answer is not available.

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  • 17. 

    Solve 5( x - 1) = 2x + 4(2x + 1)

    • -9/5

    • -5/9

    • -1/5

    • 5/9

    Correct Answer
    A. -9/5
    Explanation
    To solve the equation, we first distribute the 4 to the terms inside the parentheses on the right side of the equation, resulting in 5(x - 1) = 2x + 8x + 4. Then, we distribute the 5 to the term inside the parentheses on the left side of the equation, giving us 5x - 5 = 2x + 8x + 4. Next, we combine like terms on both sides of the equation, resulting in 5x - 5 = 10x + 4. To isolate the variable, we subtract 10x from both sides, giving us -5x - 5 = 4. Finally, we add 5 to both sides and divide by -5 to solve for x, which gives us x = -9/5.

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  • 18. 

    Multiply ( x + 6)(x + 3)

    • X^2 + 9x + 9

    • X^2 + 9x + 18

    • 2x^2 + 9x + 18

    • 2x^2 + 6x + 9

    Correct Answer
    A. X^2 + 9x + 18
    Explanation
    The given expression is a multiplication of two binomials, (x + 6) and (x + 3). To multiply these binomials, we use the distributive property. We multiply the first terms of each binomial, which gives us x * x = x^2. Then, we multiply the outer terms, which gives us x * 3 = 3x. Next, we multiply the inner terms, which gives us 6 * x = 6x. Finally, we multiply the last terms, which gives us 6 * 3 = 18. Combining all these terms, we get x^2 + 9x + 18, which is the correct answer.

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  • 19. 

    Which of these sets of numbers is ordered from least to greatest?

    • -3.4, 0, -3 5.3

    • -3.4, -3, 0, 5.3

    • -3, -3.4, 0, 5.3

    • 0, -3, -3.4, 5.3

    Correct Answer
    A. -3.4, -3, 0, 5.3
    Explanation
    The numbers in the set are arranged in ascending order, from least to greatest. The first number, -3.4, is the smallest, followed by -3, then 0, and finally 5.3, which is the largest.

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  • 20. 
    Which of these lists the correct order of operation to simplify the expression 5( 3 +7) - 9 3 - ProProfs

    Which of these lists the correct order of operation to simplify the expression 5( 3 +7) - 9 3

    • Add,multiply, divide, subtract

    • Add,multiply, subtract, divide

    • Add, subtract, multiply, divide

    • Multiply,add, subtract, divide

    Correct Answer
    A. Add,multiply, divide, subtract
    Explanation
    The expression can be simplified by following the order of operations. First, we need to perform the addition inside the parentheses: 3 + 7 = 10. Then, we multiply 5 by 10: 5 * 10 = 50. Next, we need to divide 9 by 3: 9 / 3 = 3. Finally, we subtract 3 from 50: 50 - 3 = 47. Therefore, the correct order of operations to simplify the expression is add, multiply, divide, subtract.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 18, 2013
    Quiz Created by
    Harrisritac
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