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Aptitude Test Algebra and Functions Questions and Answers Flashcards

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

Read the first 6 Aptitude Test Algebra and Functions Questions and Answers flashcards as text

  1. Solve for x: 2x + 9 = 3x - 4

    Answer: x = 13

    9 + 4 = 3x - 2x. 13 = x.

  2. If f(x) = 5x - 2, find x when f(x) = 18.

    Answer: x = 4

    5x - 2 = 18. 5x = 20. x = 4.

  3. Simplify: 4(2x - 3) - 2(x + 5)

    Answer: 6x - 22

    8x - 12 - 2x - 10 = 6x - 22.

  4. The power in a circuit is P = V²/R. If V = 120 and R = 60, what is P?

    Answer: 240 watts

    P = 120² / 60 = 14400 / 60 = 240 watts.

  5. Graph of f(x) = 2x + 1. What is the y-intercept?

    Answer: y = 1

    In y = mx + b form, the y-intercept is b = 1. The point is (0, 1).

  6. If g(x) = x/3 + 4, what is g(12)?

    Answer: 8

    g(12) = 12/3 + 4 = 4 + 4 = 8.