14. Which line is perpendicular to y = 2 x − 4 ? y equals 2 , x minus , 4 question mark  
    6. y = − 2 x + 4 y equals negative 2 x plus 4
    7. y = − x − 2 y equals negative x minus 2
    8. y = − 4 − 2 x y equals negative 4 minus 2 x
    9. y = − 1 2 x + 4 y equals negative , 1 half , x plus 4
15. Which equation is in standard form?
    1. x − y = 7 x minus , y equals 7
    2. x = 4 y + 2 x equals 4 y plus 2
    3. y = 3 x − 1 y equals 3 x minus 1
    4. 10 − 5 x = 2 ( y 10 minus 5 x equals 2 open y
16. Which ordered pairs are solutions of y < 2 x + 3 ? y less than 2 x plus 3 question mark  
    1. (0, 2)
    2. ( − 1 , 1 ) negative 1 comma 1 close
    3. (2, 0)
       6. I only
       7. I and III
       8. II only
       9. II and III
17. Use the Addition Property of Equality to complete the statement: If p = q , p equals q comma  then x + p = x plus p equals  _______.
    1. p + x
    2. x + q
    3. x + 0
    4. p + q
18. Which phrase describes 145 ? square root of 145 , question mark
    6. whole number
    7. integer
    8. irrational number
    9. rational number
19. If a rate of speed r is constant, then distance, rate, and time are related by the direct variation equation d = r t , d equals r t comma  where d represents distance and t represents time. If r = 30 r equals 30  miles per hour, which of the following best describes the graph of d = r t ? d equals r t question mark
    1. A straight line through the point (0, 0)
    2. A straight line through the point (0, 30)
    3. A parabola through the point (0, 0)
    4. A parabola through the point (0, 30)
20. The product of an integer and a natural number is always which of the following?
    6. integer
    7. natural number
    8. fraction
    9. irrational number

GRIDDED RESPONSE

21. What is the slope of the line 5 y + 3 = 2 5 x ? 5 y plus 3 equals , 2 fifths , x question mark
22. A recipe for custard sauce calls for 6 egg yolks, 2 3 2 thirds  cup of sugar, and 1 1 2 1 , and 1 half  cups of hot milk. Chelsea needs more sauce than the recipe yields. She plans to use 1 cup of sugar. How many cups of hot milk should she use?
23. What is the y-coordinate of the point through which the graph of every direct variation passes?
24. The line ( y − 2 ) = k ( x + 1 ) open y minus 2 close equals k open x plus 1 close  passes through the points L(3, 3) and M(7, 4). Find k.

25. Matt drove at a steady speed during the first morning of his road trip. The table shows data about his driving.

    Time Driving (hours)	Total Distance (miles)
    1.5	87
    2.25	130.5
    3	174

    After lunch, Matt drove an additional 232 miles at the same steady speed. How many hours did he drive after lunch?

26. Find f ( − 3 ) , f open negative 3 close comma  for f ( x ) = 2 5 x − 2 . f open x close equals , 2 fifths , x minus 2 .
27. What is the greatest integer y-value for which (x, y) is NOT part of the graph of y < | x − 3 | y less than vertical line x minus 3 vertical line  for every x?
28. Suppose y varies directly with x, and y = 2 y equals 2  when x = − 2 . x equals negative 2 .  Find the value of x when y = 3 . y equals 3 .
29. Two pairs of points in the graph of { ( − 3 , 2 ) , ( − 1 , 3 ) , left brace open negative 3 comma 2 close comma open negative 1 comma 3 close comma  (0, 0), ( − 1 , − 1 ) } open negative 1 comma negative 1 close right brace  are the same distance apart. What is that distance? (Give your answer to the nearest tenth if the distance is not a whole number)?
30. A line through ( − 2 , 6 ) open negative 2 comma 6 close  has slope 2. A line perpendicular to the fi rst line contains (1, 1). What is the x-coordinate of the intersection of the two lines?
31. Line n is the graph of y = − 3 x + 4 . y equals negative 3 x plus 4 .  Line m contains ( − 1 , − 1 ) open negative 1 comma negative 1 close  and is perpendicular to line n. Suppose you draw lines p and q such that all four lines form a square. Of the slopes of lines p and q, what is the greater slope? Express your answer as a fraction.

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