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8th Grade Math Year Review

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  • What is the relative frequency of females who said 'yes' in this data? Write your answer as a percent.
    25%
  • Find the slope of the line through the pair of points.
    -1/9
  • Does this scatter plot show a positive association, negative association, or no association?
    Negative Association
  • Simplify. Write your answer in scientific notation.
    9×10^(-4)
  • What is the scale factor of this dilation?
    2
  • Find the volume of this figure. Round to the nearest hundredth.
    314.16 yd^3
  • Find the distance between these two points. Round to the nearest tenth.
    10.4
  • What are the coordinates of E' after the figure is translated 1 unit left and 5 units up?
    (-2,2)
  • Simplify.
    128 x^4 y^7
  • Solve the equation.
    x = -1
  • Is this a right triangle?
    Yes
  • Write a rule to describe the transformation.
    Rotation 180 degrees about the origin.
  • Write the equation of the line in slope-intercept form.
    y=2x+1
  • Solve for x.
    5
  • Find the measure of the missing angle.
    96 degrees
  • Find the missing side of the triangle.
    12 in.
  • Based on the trend line of this scatter plot, how much electricity would be consumed if the average daily temperature were 68 degrees? Round to the nearest whole number.
    37 kWh
  • Does this table represent a linear function or nonlinear function?
    Nonlinear Function
  • Solve the equation.
    No solution