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8th Grade Math Year Review

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  • What happens to the angles of dilated figures?
    Angles remain congruent
  • x+19=31
    12
  • 78.3 = x + 54
    x = 24.3
  • What is the opposite of Subtraction?
    Addition
  • What is the Scale Factor?
    1/2
  • x-12=24
    12
  • x - 17 = 4
    21
  • What are the coordinates of E' after the figure is translated 1 unit left and 5 units up?
    (-2,2)
  • x/8.1 = 6.2
    x = 50.22
  • 8x=80
  • 8
    ROTATION
  • What is the opposite of Addition?
    Subtraction
  • Find the measure of the missing angle.
    96 degrees
  • Graph this inequality on this number line: d ≥ 0
    ya better get it right
  • Find the value of p.
    B
  • Solve the equation.
    x = -1
  • Write the equation of the line in slope-intercept form.
    y=2x+1
  • What do you do to solve this equation: x/7 = 2
    I will decide if you get points
  • 2
    TRANSLATION
  • x+9=49
    40
  • 1 + f = 9
    f = 8
  • What is the opposite of multiplication?
    Division
  • Is this a function?
    No, there are x values that have more than one y value (x values repeat)
  • 8x=24
    3
  • What is the slope of this line?
    -1/2
  • Find the distance between these two points. Round to the nearest tenth.
    10.4
  • Solve for x.
    2
  • Challenge Question (Extra Points): Write the inequality in this picture
    ya better get it right
  • 7
    DILATION
  • x/3=15
    5
  • x/10 = 0.1
    x = 1
  • x (9) = 99
    x = 11
  • What is the opposite of Division?
    Multiplication
  • 6
    TRANSLATION
  • 41 = r + 9
    r = 32
  • x/7=10
    70
  • Find the slope of the line through the pair of points.
    -1/9
  • Write the inequality in this picture
    ya better get it right
  • 34 = 45 - x
    11
  • x-5=14
  • 4
    ROTATION
  • x/5 = 7
    x = 35
  • x+7=18
    11
  • What do you do to solve this equation: 29 + x = 45
    I will decide if you get points
  • x/2=13
    26
  • Find the missing side length.
    20
  • Write a rule to describe the transformation.
    Rotation 180 degrees about the origin.
  • 3
    REFLECTION
  • Is this a right triangle?
    Yes
  • What do you do to solve this equation: x/4 = 20
    I will decide if you get points
  • 10
    TRANSLATION
  • What is the slope of this line?
    1
  • w(39.7583) = 0
    w = 0
  • Write the equation of the line in slope intercept form.
    y = 1/3x + 4
  • Is this graph Proportional or Non-Proportional? Why?
    Non-Proportional. The line does NOT go through the origin.
  • Solve for x.
    5
  • Graph this inequality on this number line: x < -3
    ya better get it right
  • 🥹 + 23.6 = 30
    🥹 = 6.4
  • (joke) What's nine plus ten?
    21
  • What do you do to solve this equation: x(40) = 115
    I will decide if you get points
  • What is the rate?
    60 (60 miles in one hour)
  • h(2.6) = 78
    h = 30
  • x/45 = 90
    x = 40050
  • 9
    REFLECTION
  • r (3) = 9.15
    r = 3.05
  • (BE CAREFUL) Graph this inequality on this number line: 4 ≤ e
    ya better get it right
  • Find the missing side of the triangle.
    12 in.
  • 4x=12
    3
  • g + 35 = 50
    g = 15
  • 1
    ROTATION
  • ❤️ - 54 = 32
    ❤️ = 86
  • Does this table represent a linear function or nonlinear function?
    Nonlinear Function
  • t - 14 = 108
    t = 122
  • 28 - x = 25
    3
  • What is the y-intercept of this line?
    2
  • x/4.7 = 6
    x = 28.2
  • 5
    REFLECTION
  • Write the inequality in this picture
    ya better get it right
  • 2 = 2 + x
    x = 0
  • x+10=22
  • x(14.7) = 88.2
    x = 6
  • (x,y) -> (-x, y) is the algebraic representation for which transformation?
    Reflection over the y axis.
  • What do you do to solve this equation: x + 7 = 38
    I will decide if you get points
  • Solve the equation.
    No solution
  • What is the scale factor of this dilation?
    2
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