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Math Practice Test (Gr11) Flashcards

7 cards from real CAASPP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Math Practice Test (Gr11) flashcards as text

  1. Which expression is equivalent to (x² - 9) / (x² - x - 6)?

    Answer: (x-3)/(x-2)

    Factor numerator as (x-3)(x+3) and denominator as (x-3)(x+2), then cancel (x-3) to get (x+3)/(x+2).

  2. A savings account earns 3.5% annual interest compounded annually. If $2,000 is deposited, what is the balance after 4 years?

    Answer: $2,295.05

    Using A = P(1+r)^t: 2000(1.035)^4 ≈ 2000(1.14752) ≈ $2,295.05.

  3. What is the solution set of |2x - 5| > 3?

    Answer: x 4

    Solving gives 2x-5 > 3 → x > 4, or 2x-5 4.

  4. A circle has equation x² + y² - 6x + 4y - 12 = 0. What is its radius?

    Answer: 5

    Completing the square: (x-3)² + (y+2)² = 9+4+12 = 25, so radius = 5.

  5. The table shows: x: 1,2,3,4 and y: 3,9,27,81. Which function models this data?

    Answer: y = 3^x

    Each y value is 3 raised to the x power (3¹=3, 3²=9, 3³=27, 3⁴=81), so y = 3^x.

  6. Two dice are rolled. What is the probability that the sum is at least 10?

    Answer: 1/6

    Outcomes with sum ≥ 10: (4,6),(5,5),(5,6),(6,4),(6,5),(6,6) = 6 outcomes out of 36, so 6/36 = 1/6.

  7. Which value of k makes the system inconsistent? 2x + ky = 4, 6x + 9y = 12

    Answer: k = 3

    The second equation is 3 times the first when 2k/6 = k/3; for inconsistency, k=3 makes lines parallel (same slopes, different intercepts after checking).