Download SOLVING RADICAL EQUATIONS

Week27 QUIZ: College Algebra
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best answers the question.
Solve the equation.
1) q + 1 = 4
A) {16}
2)
B) {25}
C) {17}
D) {15}
B) {7}
C) {49}
D)
28
3
B) {48}
C) {-24}
D) {12}
2)
6q + 7 = 7
A) 49
6
3)
2k + 1 = 7
A) {24}
4)
5x - 6 - 8 = 0
3)
4)
A) ∅
5)
1)
C) 14
B) {64}
D) 14
5
5)
x+3=0
A) {-9}
B) ∅
C) {9}
D) { 3}
6)
x+3 =x-3
A) {1, 6}
B) {1, 13}
C) {6}
D) {6, 13}
7)
x+7 +5=x
A) {9}
8)
3x + 10 = 5 - 2x
A) 3
4
9)
10)
3
3
3r2 - 5r + 7 =
A) 7
11
4 + 6t -
3
A) - 3
14
B) {2, 9}
3
C) {2}
D) {9, 18}
6)
7)
8)
B)
3,5
4
C)
5,9
4
D) {5}
9)
3r2 + 2r - 4
B) 11
C) - 11
7
7
D) - 7
11
10)
1 - 8t = 0
B)
3
14
C) - 14
3
A-1
D) 14
3
SHORT ANSWER. Write your answer in the space provided.
11)
4
12)
4
13)
4
r+3 =
6r
x - 1 + 10 = 0
2x + 5 -
x-2 =3
14) x 3 = x+4
15)
2x + 3 +
4-x =4
Solve the formula for the indicated variable.
16) L =
2W
for k
k
A-2
Answer Key
Testname: WEEK27-QUIZ
1) D
2) B
3) A
4) D
5) B
6) C
7) A
8) A
9) B
10) A
11)
3
5
12) ∅
13) {2, 38}
14) ∅
15) 3, 11
9
16) k = 2W
L2
A-3