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TEKS Math Grade 8 - 8.5.I: Write An Equation In The Form y = mx + b To Model A Linear Relationship

Quiz by Grade 8 Math - Texas Education Agency

Grade 8
Math (Archived)
Texas Essential Knowledge and Skills (TEKS)

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11 questions
Show answers
  • Q1
    Which equation can be used to describe the relationship between x and y shown in the graph below?
    Question Image
    y = 3x+ 2
    y = -3x+ 2
    y= -3x -6
    y= 3x -6
    120s
    8.5.I: Proportionality
  • Q2
    Question Image
    120s
    8.5.I: Proportionality
  • Q3
    A giant fish tank is being filled with a hose. The equation y = 6x represents the relationship between the number of gallons of water in the pool (y) and the number of minutes the water runs (x). If this relationship is represented on a graph, which ordered pair would NOT be on the line?
    (15, 90)
    (20, 100)
    (10, 60)
    (12, 72)
    120s
    8.5.I: Proportionality
  • Q4
    Question Image
    120s
    8.5.I: Proportionality
  • Q5
    At Dunkin Donuts, the price per doughnut is $0.80. If a graph is made showing the relationship between the number of doughnuts (x), and the total cost (y), which does NOT represent the slope of the line?
    80/100
    1/80
    4/5
    8/10
    120s
    8.5.I: Proportionality
  • Q6
    Which slope has the greatest rate of change?
    25/4
    12/3
    5/1
    30/5
    120s
  • Q7
    What is the slope of the line that goes through the points (12, 4) and (-4, 8)
    1/4
    -4/1
    -1/4
    4/1
    120s
    8.4.A: Proportionality
  • Q8
    What is the slope of the line represented by the equation 16x + 4y = 16
    4
    -4
    16
    -16
    60s
    8.4.A: Proportionality
  • Q9
    Write the following equation in slope-intercept form: 8x + 2y = 6
    y = 4x - 3
    y = -4x + 3
    y = -4x + 6
    y = 8x + 6
    120s
    8.4.A: Proportionality
  • Q10
    What is the equation of the line that has a slope of -3 and goes through the point (-1, 1)?
    y = -3x + 4
    y = -3x + 2
    y = -3x - 2
    y = -3x - 4
    120s
    8.4.A: Proportionality
  • Q11
    120s
    8.4.A: Proportionality

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