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Grade 8 Math Flashcards

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

Read the first 7 Grade 8 Math flashcards as text

  1. What is the slope of the line through points (2, 3) and (6, 11)?

    Answer: 2

    Slope = (11 - 3)/(6 - 2) = 8/4 = 2.

  2. Solve for x: 4x - 7 = 2x + 9.

    Answer: 8

    Subtract 2x and add 7: 2x = 16, so x = 8.

  3. A line has equation y = -3x + 5. What is its y-intercept?

    Answer: 5

    In y = mx + b, the y-intercept b is 5.

  4. Which equation represents a line with slope 0?

    Answer: y = 4

    A horizontal line y = 4 has slope 0.

  5. How many solutions does 3x + 6 = 3x + 6 have?

    Answer: Infinitely many

    Both sides are identical, so every value of x is a solution.

  6. Solve for x: 2(x + 3) = 14.

    Answer: 4

    Divide by 2 to get x + 3 = 7, so x = 4.

  7. What is the slope of the line y = 7?

    Answer: 0

    A horizontal line has a slope of 0.