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8th Grade Math Year Review

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  • Write the equation of the line in slope intercept form.
    y = 1/3x + 4
  • Solve the equation.
    x = -1
  • What are the coordinates of E' after the figure is translated 1 unit left and 5 units up?
    (-2,2)
  • What is the scale factor of this dilation?
    2
  • Find the missing side length.
    20
  • Is this a right triangle?
    Yes
  • Write the equation of the line in slope-intercept form.
    y=2x+1
  • What is the slope of this line?
    -1/2
  • Find the value of p.
    B
  • Is this graph Proportional or Non-Proportional? Why?
    Non-Proportional. The line does NOT go through the origin.
  • Find the missing side of the triangle.
    12 in.
  • Solve the equation.
    No solution
  • What is the rate?
    60 (60 miles in one hour)
  • What happens to the angles of dilated figures?
    Angles remain congruent
  • Solve for x.
    2
  • What is the slope of this line?
    1
  • Solve for x.
    5
  • Find the measure of the missing angle.
    96 degrees
  • Is this a function?
    No, there are x values that have more than one y value (x values repeat)
  • Does this table represent a linear function or nonlinear function?
    Nonlinear Function
  • (x,y) -> (-x, y) is the algebraic representation for which transformation?
    Reflection over the y axis.
  • What is the y-intercept of this line?
    2
  • What is the Scale Factor?
    1/2
  • Write a rule to describe the transformation.
    Rotation 180 degrees about the origin.
  • Find the distance between these two points. Round to the nearest tenth.
    10.4
  • Find the slope of the line through the pair of points.
    -1/9