Download ch11 quiz

Chapter 11 Quiz
Name _______________________________
Simplify the radical expression.
____
1. −4 160
a. −4 80 b. −4 16 c. −16 10 d.
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2. −3 180h4
a. 6 5h4 b. −18 5h4 c. −18h2 5 d. −3h 90
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3. −2 2p ⋅ 2 22
a.
____
4.
10
81
a. 10 b.
____
5.
80w 4
9w
a. w 80w b. 4w 5w c.
____
€
6.
4
21
a. 4 21 b. 4 21 c. 21 4 d.
____
7.
6 +2 6
a. 3 6 b. − 6 c. 3 12 d. − 12
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8. 4 7 + 8 63
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9. (8 –
____
10.
Ê
39 ÁÁ
Ë
44p b. −8 11p c. −4 44p d. −8 11p2
9
10
41
3
c. 9 10 d.
3
10
9
80w3
3
21
6 )(8 +
ˆ
6 + 7 ˜˜
¯
10
d. 3 w3
441
21
a. 76 7 b. 12 63 c. 28 7 d. 28 63
6)
a. 28 b. 64 +
6 c. 70 + 16 6 d. 58
a.
45 + 7 39 b. 3 26 + 7 39
c.
234 + 7 d.
234 + 7 39
Solve the equation. Check your solution.
n − 10
____
11. −8 =
____
12.
r + 5 = 11
____
13.
2x + 7 =
a.
2 b. 2 c. 1 d. 4
a. 126 b. 6 c. 17 d. 116
5x − 8
a. –3 b. 5 c. –5 d. 1
5
Solve the equation. Identify any extraneous solutions.
____
14. x =
2x + 15
a. 3 is a solution to the original equation. The value –5 is an extraneous solution.
b. 5 and 3 are both extraneous solutions.
c. 5 is a solution to the original equation. The value –3 is an extraneous solution.
d. 5 and –3 are solutions.
____
15. Find the domain of y = 4 4x + 2 .
Graph the function.
16. y =
x −1
a. x ≥ −2 b. x ≥ − 1 c. x > 1 d. x ≥ 1
2
2
2