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Algebra 1 Keystone Review

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  • What is the LCM of 8 and 6?
    24
  • Graph the function 3x+y=8
  • Solve by graphing. Show the solution on your graph.
    (2,2)
  • What does the solution (10,7) represent?
    The box contains 10 batteries that provide 1.5 volts each and 7 batteries that provide 9 volts each.
  • Choose the correct answer.
    D
  • Find the IQR.
    7
  • Write the equation of the line that passes through (-2,4) and (6,2)
    y=-0.25x+3.5
  • Choose the correct answer
    C
  • What is the domain of the relation in the table?
    {1,2,3,5}
  • Answer the question.
    4
  • Choose the correct answer
    B
  • Choose the correct answer.
    C
  • Answer using a percent.
    5%
  • What is the value of x?
    2
  • What is the missing step?
    4x+6=-24
  • Identify the slope and y-intercept.
    slope = -1/2 and y-intercept = (0,-2)
  • Answer the question.
    the charge for each gallon of paint Paul will need
  • Factor
    (x-5)(x+8)