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8F3 Quiz Wednesday

Quiz by Stephanie Mathias

Grade 8
Mathematics
Common Core

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10 questions
Show answers
  • Q1
    Which of the following functions is not linear?
    y = x^2 + 3
    y = 2x + 5
    y = 0.5x - 4
    y = -3x
    30s
    8.F.A.3
  • Q2
    Which of these equations does not describe a linear function?
    y = 2^x
    y = 3x - 4
    y = -1/2x + 5
    y = 0.25x + 10
    30s
    8.F.A.3
  • Q3
    What does the 'b' in the linear equation y = mx + b represent?
    The maximum value of y
    The y-intercept of the line
    The slope of the line
    The x-intercept of the line
    30s
    8.F.A.3
  • Q4
    If the equation of a line is y = 5x + 2, what does the '5' represent?
    The slope of the line
    The x-intercept of the line
    The y-intercept of the line
    The curvature of the line
    30s
    8.F.A.3
  • Q5
    Which expression represents a linear function?
    y = (1/2)x^3 - x
    y = 3x^2 + 2
    y = sqrt(x) + 1
    y = 4x - 7
    30s
    8.F.A.3
  • Q6
    Which function is an example of a non-linear function?
    y = -2x - 7
    y = 5x + 1
    y = x^3 - 2x
    y = 4x
    30s
    8.F.A.3
  • Q7
    What characteristic is unique to linear functions?
    Their output values decrease as input values increase.
    Their equations involve variables to the second power.
    Their graphs are straight lines.
    Their graphs are parabolas.
    30s
    8.F.A.3
  • Q8
    If a graph of a function is a straight line that passes through the origin, what can be said about the equation of this function?
    The slope of the line is 0.
    The function is non-linear.
    It does not have a y-intercept other than 0.
    It can be represented by y = x^2 + 1.
    30s
    8.F.A.3
  • Q9
    Which of these equations represents a function whose graph will not be a straight line?
    y = 2x - 3
    y = -4x + 1
    y = 0.5x + 5
    y = x^2 + 6
    30s
    8.F.A.3
  • Q10
    Which of the following represents a linear equation?
    y = 1/x
    y = x^2 - 4x + 4
    y = 3^x
    y = -7x + 3
    30s
    8.F.A.3

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