Mathematics

10th -

11thgrade

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SAT Practice

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10 questions

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  • 1. Multiple Choice
    5 minutes
    1 pt
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    500 different light bulbs were tested in each trial. The bar graph above shows the number of defective light bulbs found in each trial. In Trial B, what percent of the light bulbs were defective?

    0.70%

    0.84%

    1.40%

    7.00%

  • 2. Multiple Choice
    5 minutes
    1 pt
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    The graph of f(t) = ax2 +bx +c, the height of a golf ball hit after t seconds, is shown. The point P(2, 70) represents the height of a bird at a given point in time. Which of the following expressions correctly compares the height of the ball and the height of the bird at that point in time?

    f(70) > 2

    f(70) < 2

    f(2) > 70

    f(2) < 70

  • 3. Multiple Choice
    5 minutes
    1 pt

    If 2y = x + 40 and 3x = y + 20, what is the value of x + y?

    28

    34

    38

    44

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