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Math Algebra and Functions Flashcards

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

Read the first 6 Math Algebra and Functions flashcards as text

  1. Solve for x: 3x + 7 = 22

    Answer: x = 5

    3x = 22 − 7 = 15, so x = 15 ÷ 3 = 5.

  2. Which of the following is equivalent to 2(x + 3)?

    Answer: 2x + 6

    Distribute 2: 2 × x + 2 × 3 = 2x + 6.

  3. What is the slope of the line y = 4x − 3?

    Answer: 4

    In slope-intercept form y = mx + b, the slope m = 4.

  4. Evaluate f(x) = x² − 2x + 1 when x = 3.

    Answer: 4

    f(3) = 3² − 2(3) + 1 = 9 − 6 + 1 = 4.

  5. Solve the inequality: 2x − 5 > 9

    Answer: x > 7

    2x > 9 + 5 = 14, so x > 7.

  6. Which equation represents a linear function?

    Answer: y = 3x + 2

    y = 3x + 2 is linear because the variable x has exponent 1.

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