Algebra Chapter 1 Quiz
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Questions and Answers

What is the first step to solve the equation 3x = -7?

  • Multiply both sides by 3.
  • Divide both sides by 3. (correct)
  • Add 7 to both sides.
  • Subtract -7 from both sides.

    • The equation 3x − 5 = 2x + 7 has a solution for x that is negative.

    True

    What is the value of x in the equation x - 10 = -2?

    8

    In the equation 1/4 x - 2 = 1/2 x - 3, the first step to isolate x is to add _____ 2 to both sides.

    <p>2</p> Signup and view all the answers

    Match the following equations with their type:

    <p>3x = -7 = Simple equation with single variable 3x − 5 = 2x + 7 = Equation with multiple variables 1/4 x - 2 = 1/2 x - 3 = Equation with fractions x - 10 = -2 = Simple equation with single variable</p> Signup and view all the answers

    What is the value of x when angle a = 3x and e = ½x + 100?

    <p>40°</p> Signup and view all the answers

    Angle d is equal to 96°.

    <p>True</p> Signup and view all the answers

    What are the values of angles e and f if x = 40°?

    <p>e = 120°, f = 60°</p> Signup and view all the answers

    When solving for z in angles g, j, and k, the equation used is g + j + k = ______.

    <p>180</p> Signup and view all the answers

    Match the following equations with their corresponding variables:

    <p>3x = ½x + 100 = Finding x 5y - 4 = 96 = Finding d 3z + (4z - 12) + (2z + 12) = Finding z f = 3y + 24 = Finding y</p> Signup and view all the answers

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