Integrated Algebra Worksheet Page 5

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12 In the box-and-whisker plot below, what is the 2nd quartile?
computations.
5 10 15 20 25 30 35 40 45 50
(1) 25
(3) 45
(2) 30
(4) 50
13 The length of a rectangle is three feet less than twice its width. If x
represents the width of the rectangle, in feet, which inequality
represents the area of the rectangle that is at most 30 square feet?
(1) x(2x
3)
30
(3) x(3
2x)
30
(2) x(2x
3)
30
(4) x(3
2x)
30
14 Which set is a function?
(1) {(3,4), (3,5), (3,6), (3,7)}
(3) {(6,7), (7,8), (8,9), (6,5)}
(2) {(1,2), (3,4), (4,3), (2,1)}
(4) {(0,2), (3,4), (0,8), (5,6)}
15 The weights of 40 students were recorded. If the 75th percentile of
their weights was 140 pounds, what is the total number of students
who weighed more than 140 pounds?
(1) 10
(3) 30
(2) 20
(4) 4
16 What is the slope of the line represented by the equation 4x
3y
7?
7 __
3 __
(1)
(3)
4
4
7 __
4 __
(2)
(4)
3
3
[5]
[OVER]
Integrated Algebra – Jan. ’15

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