Use this space for
computations.
20 What is 72 expressed in simplest radical form?
(1) 2 18
(3) 6 2
(2) 3 8
(4) 8 3
6
2
–
21 What is x
in simplest form?
-
3
5
x
8
4
(1)
(3)
15
2
x
15
x
8
4
(2)
(4)
x 2
15
x
22 Which ordered pair is a solution of the system of equations
2
y = x
– x – 20 and y = 3x – 15?
(1) (–5,–30)
(3) (0,5)
(2) (–1,–18)
(4) (5,–1)
23 A survey is being conducted to determine which types of television
programs people watch. Which survey and location combination
would likely contain the most bias?
(1) surveying 10 people who work in a sporting goods store
(2) surveying the first 25 people who enter a grocery store
(3) randomly surveying 50 people during the day in a mall
(4) randomly surveying 75 people during the day in a clothing store
[8]
Integrated Algebra – Jan. ’09