8th grade Math - Equations Review
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20 QuestionsShow answers
  • Question 1
    900 seconds
    Q. What is the equation of this line?
    answer choices
    0
    undefined 
    y = -2
    x = -2
  • Question 2
    900 seconds
    Q. Give the equation for the graph
    answer choices
    y = 5x - 3
    y = 4x + 2
    y =-2x + 5
    y = - 2x + 4
  • Question 3
    300 seconds
    Q. Solve:
    3x + 7 = -8
    answer choices
    5
    -5
    -12
    -18
  • Question 4
    300 seconds
    Q. Solve:
    7x - 3x - 8 = 24
    answer choices
    8
    -8
    3.2
    4
  • Question 5
    300 seconds
    Q. Solve:
    3(x - 2) = 18
    answer choices
    6.7
    4
    8
    -4
  • Question 6
    300 seconds
    Q. Solve:
    7x + 19 = -2x + 55
    answer choices
    4
    14.8
    8.2
    -4
  • Question 7
    900 seconds
    Q. The graph represents the height of a burning candle.  What is the meaning of the y-intercept?
    answer choices
    the time it takes to burn the entire candle
    the rate at which the candle is losing height
    the change in the height of the candle each hour
    the original height of the candle
  • Question 8
    900 seconds
    Q. Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles.
    y=0.5x+10
    What does the slope of the graph of this equation represent?
    answer choices
    The daily fee for the moving truck
    The per-mile fee for the moving truck
    How much Charlie paid for the truck
    The number of miles he drove
  • Question 9
    900 seconds
    Q. Given the table, write the equation in the slope-intercept form.
    answer choices
    y = 1/3x + 6
    y = 3x + 6
    y = 2x + 6
    y = 1/2x + 6
  • Question 10
    300 seconds
    Q. What is the equation of this line?
    answer choices
    x=-2
    y=-2x
    x=2
    y=-2
  • Question 11
    300 seconds
    Q. The graph represents the money in a savings account.  What is the meaning of the y-intercept?
    answer choices
    The initial deposit was $30
    $30 is added to the account each week
    It took 30 weeks to same enough money to open an account
    not enough information
  • Question 12
    120 seconds
    Q. Where do these two lines meet?
    answer choices
    (2, -9)
    (-9, 2)
    No solultion
    (2, 9)
  • Question 13
    120 seconds
    Q. What is the solution?
    answer choices
    (6, 3)
    (3, 6)
    (-6, 3)
    No solution
  • Question 14
    120 seconds
    Q. What is the solution?
    answer choices
    (6, 3)
    (3, 6)
    (-6, 3)
    No solution
  • Question 15
    120 seconds
    Q. The solution to this system is:
    answer choices
    No solution
    (0, 1)
    (0, -2)
    (4, 3)
  • Question 16
    180 seconds
    Q. Which is the graph of y= -x + 2?
    answer choices
    A
    B
    C
    D
  • Question 17
    120 seconds
    Q. If a system of linear equations has one solution, what does this mean about the two lines? 
    answer choices
    Parallel lines
    Identical lines 
    Intersecting lines
  • Question 18
    120 seconds
    Q. If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 
    answer choices
    Intersecting lines
    Identical lines
    Parallel lines
  • Question 19
    30 seconds
    Q. What is the slope of the line 3x-9y=12?
    answer choices
    3
    9
    1/3
    -3
  • Question 20
    900 seconds
    Q. Solve the system of equations.
    y = 4x+1
    3x + 2y = 13
    answer choices
    (1, 5)
    (5, 1)
    (0.25, 2)
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