Test: Indices - Ambitious

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Question 1:   Find 100000 1 5
1
2000
100
10
Question 2:   Find 10 0 + 5 2 27 1 3
2
16
19
23
Question 3:   Find ( x 1 2 ) 1 x 3 4 , if x=81
9
1
3
0
Question 4:   Find ( x 1 5 ) 2 +3 ( x 2 ) 1 2 , if x=32
1
2
1 2
1 4
Question 5:   Find the value of x in ( 4 5 x+ 32 2 ) 2 5 = 2 16 x
1
8
16
1
Question 6:   Write in index form: x 7
x 2
x 1 7
x 1 7
x 7
Question 7:   Write in index form: 1 x 3
x 1 3
x 3
x 2 3
x 1 3
Question 8:   Write in index form: x 3 7
x 3 7
x 7 3
x 1 3
x 3 7
Question 9:   If y= x 1 2 , solve x9 x 1 2 +20=0
{ x 1 =8 x 2 =10
{ x 1 =4 x 2 =5
{ x 1 =2 x 2 = 5
{ x 1 =16 x 2 =25
Question 10:   If y= x 1 3 , solve x 1 3 5+6 x 1 3 =0
{ x 1 =3 x 2 =2
{ x 1 =4 x 2 =2
{ x 1 =27 x 2 =8
{ x 1 =6 x 2 =4