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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. A linear function passes through (-2, 1) and (4, 4). What is the y-intercept?

    Answer: 2

    Slope = (4-1)/(4-(-2)) = 3/6 = 1/2; using point (4,4): y = (1/2)x + b → 4 = 2 + b → b = 2.

  2. Which expression is equivalent to i²⁵, where i is the imaginary unit?

    Answer: i

    Powers of i cycle with period 4; 25 mod 4 = 1, so i²⁵ = i¹ = i.

  3. A store marks up items by 40% then offers a 20% discount. The final price is what percent of the original?

    Answer: 112%

    Starting with price P: after markup 1.4P; after 20% discount 1.4P × 0.8 = 1.12P, which is 112% of original.

  4. Which function has a horizontal asymptote at y = 3?

    Answer: f(x) = (3x+1)/(x-2)

    When the degree of numerator equals denominator, the horizontal asymptote is the ratio of leading coefficients: 3x/x = 3.

  5. Vectors u = ⟨3, -4⟩ and v = ⟨1, 2⟩. What is the dot product u · v?

    Answer: -5

    u · v = (3)(1) + (-4)(2) = 3 - 8 = -5.

  6. If f(x) = 2x² - 3 and g(x) = x + 1, what is (f ∘ g)(2)?

    Answer: 21

    g(2) = 3; f(g(2)) = f(3) = 2(9) - 3 = 18 - 3 = 15; wait — f(3) = 2(3²) - 3 = 18 - 3 = 15.

  7. A researcher finds a correlation coefficient of r = -0.92 between two variables. Which statement best describes this relationship?

    Answer: Strong negative correlation

    An r value close to -1 indicates a strong negative linear correlation between the variables.