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Algebra Flashcards

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

Read the first 7 Algebra flashcards as text

  1. What is the slope of a horizontal line?

    Answer: 0

    A horizontal line has no vertical change, so its slope is 0.

  2. Solve for x: 3x - 7 = 2x + 4.

    Answer: x = 11

    Subtract 2x and add 7 to get x = 11.

  3. What is (x^4)^2 simplified?

    Answer: x^8

    Raising a power to a power multiplies exponents: 4 × 2 = 8.

  4. A line has slope 3 and passes through (0, -2). What is its equation?

    Answer: y = 3x - 2

    With slope 3 and y-intercept -2, the equation is y = 3x - 2.

  5. Solve the inequality: -2x < 8.

    Answer: x > -4

    Divide by -2 and flip the inequality to get x > -4.

  6. What is the discriminant of x^2 + 4x + 3 = 0?

    Answer: 4

    The discriminant b^2 - 4ac = 16 - 12 = 4.

  7. If g(x) = x^2 - 1, what is g(-3)?

    Answer: 8

    Substitute -3: (-3)^2 - 1 = 9 - 1 = 8.