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8 questions
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  • Q1
    Which of the following represents a linear function?
    y = |x| + 2
    y = x^2 + 2
    y = 3x + 2
    y = 2^x
    30s
    NC.8.F.3
  • Q2
    From the table below, which option shows a linear relationship?x | y---|---1 | 22 | 43 | 64 | 8
    1 | 1, 2 | 4, 3 | 9, 4 | 16
    1 | 3, 2 | 5, 3 | 7, 4 | 9
    1 | 2, 2 | 4, 3 | 6, 4 | 8
    1 | 2, 2 | 5, 3 | 8, 4 | 11
    30s
    NC.8.F.3
  • Q3
    Which graph represents a linear function?
    A curve that passes through the points (0,1) and (1,4)
    A parabola opening upwards through the point (0,1)
    A straight line that passes through the points (0,1) and (1,3)
    A horizontal line that passes through the point (0,2)
    30s
    NC.8.F.3
  • Q4
    Look at the equation below. Is it a linear function?y = 5x - 7
    Yes
    Cannot be determined
    Only if x > 0
    No
    30s
    NC.8.F.3
  • Q5
    Which characteristic is unique to linear functions when analyzing their graphs?
    They approach but never touch the axes
    They include peaks and valleys
    They always form straight lines
    They form circular patterns
    30s
    NC.8.F.3
  • Q6
    In a table of values for a function, consecutive y-values increase by the same amount as consecutive x-values increase by 1. Does this table represent a linear function?
    Only if the y-values are positive
    No
    Only if the x-values are positive
    Yes
    30s
    NC.8.F.3
  • Q7
    Which table represents a linear function?
    x: 1, 2, 3, 4; y: 3, 5, 7, 9
    x: 1, 2, 3, 4; y: 2, 3, 5, 8
    x: 1, 2, 3, 4; y: 2, 4, 8, 16
    x: 1, 2, 3, 4; y: 3, 6, 9, 12
    30s
    NC.8.F.3
  • Q8
    Which description correctly identifies a linear function from a graph?
    A graph with a straight line that slopes upward from left to right
    A graph that shows a flat line parallel to the x-axis
    A graph with a line that curves downward as it moves from left to right
    A graph that displays a U-shaped curve
    30s
    NC.8.F.3

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