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aidemia--modules-homework_typeCreate a homework in a form of a quiz
Which subjectMathematics
What age groupYear or Grade 8
What topicvariables and equations
Question typesClose-ended
Number of questions10
Number of answers4
Correct answersExactly 1
Show correct answers
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Grade 8 Mathematics Quiz: Variables and Equations

Instructions:

Answer the following questions by selecting the correct option from the choices provided. Only one answer is correct for each question.

Questions:

  1. What is the value of ( x ) in the equation ( 3x + 5 = 20 )?

    • A. 5
    • B. 10
    • C. 15
    • D. 50

  2. Which of the following is equivalent to the expression ( 4(2x + 3) )?

    • A. ( 8x + 12 )
    • B. ( 4x + 7 )
    • C. ( 6x + 12 )
    • D. ( 8x + 10 )

  3. Solve for ( y ) in the equation ( 2y - 4 = 10 ).

    • A. 12
    • B. 7
    • C. 8
    • D. 6

  4. What is the solution to the equation ( x/4 + 3 = 7 )?

    • A. 16
    • B. 20
    • C. 24
    • D. 28

  5. If ( 5p = 25 ), what is the value of ( p )?

    • A. 15
    • B. 5
    • C. 25
    • D. 10

  6. In the equation ( 6 - 2x = 10 ), what is the value of ( x )?

    • A. -2
    • B. -1
    • C. 1
    • D. 2

  7. Which equation represents the relationship described by "three times a number ( n ) decreased by 4 is equal to 11"?

    • A. ( 3n - 4 = 11 )
    • B. ( 3n + 4 = 11 )
    • C. ( 3n = 11 - 4 )
    • D. ( 3n + 4 = 15 )

  8. Which of the following expressions is a linear equation?

    • A. ( y = 3x^2 + 2 )
    • B. ( y = 2x + 7 )
    • C. ( y = \sqrt{x} )
    • D. ( y = \frac{1}{x} )

  9. If ( x + 2y = 10 ) and ( y = 3 ), what is the value of ( x )?

    • A. 1
    • B. 4
    • C. 6
    • D. 8

  10. Solve the equation ( 4x - 2 = 10 ).

    • A. 2
    • B. 3
    • C. 4
    • D. 5

Remember to check your work before submitting the quiz. Good luck!