(Grade 11) Section 3.4 - Solving Quadratic Equations (Part II)

5 Questions | Total Attempts: 47

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Equation Quizzes & Trivia

Complete the following questions


Questions and Answers
  • 1. 
    Solve (x – 2)(x + 7) = 0
    • A. 

      X = –2, 7

    • B. 

      X = 2, 7

    • C. 

      X = 2, –7

    • D. 

      X = –2, –7

  • 2. 
    A soccer ball is kicked into the air.  Its path is modelled by the function h(t) = –5t2 + 15t, where h(t) is the height in metres and t is the time in seconds.  When will the soccer ball hit the ground?
    • A. 

      0s

    • B. 

      3s

    • C. 

      5s

    • D. 

      15s

  • 3. 
    Solve by factoring  x2 = 12x
    • A. 

      X = –12, 0

    • B. 

      X = 0, –12

    • C. 

      X = –2, 0

    • D. 

      X = 0, 12

  • 4. 
    A roofer throws a group of shingles into the trash bin on the ground below.  The height of the shingles can be modelled by the function h(t) = –5t2 + 11t + 12, where h(t) is the height in metres, and t is the time in seconds.  How long will it take the shingles to hit the bottom of the trash bin?
    • A. 

      –4/5s

    • B. 

      1s

    • C. 

      3s

    • D. 

      12s

  • 5. 
    For which quadratic equation is x = 2 a root of the equation?
    • A. 

      X^2 + 2x – 8

    • B. 

      X^2 + x – 2

    • C. 

      X^2 + 3x +2

    • D. 

      2x^2 – 7x – 4