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8th Grade Math Year Review

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  • Simplify.
    128 x^4 y^7
  • Solve for x.
    5
  • Is this a right triangle?
    Yes
  • Solve the equation.
    No solution
  • Write the equation of the line in slope-intercept form.
    y=2x+1
  • Solve the equation.
    x = -1
  • Find the distance between these two points. Round to the nearest tenth.
    10.4
  • Does this table represent a linear function or nonlinear function?
    Nonlinear Function
  • Find the measure of the missing angle.
    96 degrees
  • What are the coordinates of E' after the figure is translated 1 unit left and 5 units up?
    (-2,2)
  • Find the missing side of the triangle.
    12 in.
  • Simplify. Write your answer in scientific notation.
    9×10^(-4)
  • 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
  • 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