QUICK QUESTIONS RADICALS
NAME:
Question
A
B
x1/2
x–1/2
Reciprocates
Turns into a radical
½
2
1
Which expression reciprocates?
2
A fractional exponent:
3
Which is equal to: 81/3
4
A number to the 1/3 power means:
Divide by 3
Cube Root
5
Which formula is correct?
x m/n  n x
m
x m/n  m x
6
Which expression will be imaginary?
8
3
8
7
Which expression will be negative?
8
3
8
8
Simplify:
9
Which will need a  ?
x 16
n
x4
x8
16
x2 = 16
125
x2 = 25
x2 = 64
x3 = 64
12 Which solution will be imaginary?
x2 = –128
x3 = –128
13 Which will need a  ?
x2 = –128
x3 = –128
x2 = 81
x3 = 81
Divide by 4
Subtract 5
Add 2
Divide by 9
17 What is the next step: 2x2 + 1 = –5x2 + 3
Square Root
Add 5x2
18 What is the next step: 3 (x + 2)2 + 13 = 8
Subtract 13
Divide by 3
19 What is the next step: (x + 4)2 = 49
x+4=7
x+4= 7
20 What is the next step: (x – 1)3 = –64
x – 1 = 4i
x – 1 = –4
21 What is the next step: (3x – 2)2 = –16
3x – 2 = –4i
3x – 2 =  4i
22 What is the next step: (x – 1)2 = –81
x – 1 = 9i
x – 1 =  9i
23 What is the next step: (x + 5)3 = 8
x+5=2
x+5= 2
10 Which will need a  ?
11 Which will need a  ?
14 Which equation will have two solutions?
15 What is the next step: 4x2 + 5 = 8
16 What is the next step: –2 + 9x2 = 14
3
QUICK QUESTIONS RADICALS
NAME:
Question
A
B
x1/2
x–1/2
Reciprocates
Turns into a radical
½
2
1
Which expression reciprocates?
2
A fractional exponent:
3
Which is equal to: 81/3
4
A number to the 1/3 power means:
Divide by 3
Cube Root
5
Which formula is correct?
x m/n  n x
m
x m/n  m x
6
Which expression will be imaginary?
8
3
8
7
Which expression will be negative?
8
3
8
8
Simplify:
9
Which will need a  ?
x 16
n
x4
x8
16
x2 = 16
125
x2 = 25
x2 = 64
x3 = 64
12 Which solution will be imaginary?
x2 = –128
x3 = –128
13 Which will need a  ?
x2 = –128
x3 = –128
x2 = 81
x3 = 81
Divide by 4
Subtract 5
Add 2
Divide by 9
17 What is the next step: 2x2 + 1 = –5x2 + 3
Square Root
Add 5x2
18 What is the next step: 3 (x + 2)2 + 13 = 8
Subtract 13
Divide by 3
19 What is the next step: (x + 4)2 = 49
x+4=7
x+4= 7
20 What is the next step: (x – 1)3 = –64
x – 1 = 4i
x – 1 = –4
21 What is the next step: (3x – 2)2 = –16
3x – 2 = –4i
3x – 2 =  4i
22 What is the next step: (x – 1)2 = –81
x – 1 = 9i
x – 1 =  9i
x+5= 2
x+5=2
10 Which will need a  ?
11 Which will need a  ?
14 Which equation will have two solutions?
15 What is the next step: 4x2 + 5 = 8
16 What is the next step: –2 + 9x2 = 14
23 What is the next step: (x + 5)3 = 8
3