1.   Find the slope-intercept form of an equation of the line that has a slope of and passes through (8,2).
    A. B.
    C. D.
    Hint

  2.   When Kristin works 8 hours, she earns $60. When she works 20 hours, she earns $150. Write a linear equation that describes her earnings. Assume that the changes increase linearly.
    A. B.
    C. D.
    Hint

  3.   Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is
    A. B.
    C. D.
    Hint

  4.   What is the y-intercept of the graph of the line with equation
    A. B. -7
    C. 7 D.
    Hint

  5.   A phone company charges for service as follows: they charge a certain amount for a visit, and then they charge a certain amount per hour after that. If a three-hour service visit costs $220, and a job that takes an hour and a half costs $145, how much is the cost of a visit before the amount of time spent is factored in?
    A. $25 B. $50
    C. $217 D. $70
    Hint



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