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4 1 2551 4 ( mathematics teaching-learning with English)
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36
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Exponent......................................................................................
3
Practice 1A . . .4
Addition of indices.... ..4
Practice 1B ..6
Subtraction of Indices...7
Practice 1C ..9
Multiplication of Indices..10
Practice 1D ..12
Products and Fractions of Index Forms..14
Practice 1E ..17
The Zero Index .. ..19
The Negative Index..20
Practice 1F..22
Practice 1G..27
Fractional Indices ..30
Practice 1H..33
Practice 1I..40
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(Practice 1 A)
1) 3 x 3 x 3 x 3 x 3 x 3 x 3 =
2) (5a) x ( 5a) x (5a) x (5a) x (5a) x (5a) x (5a) = .
3) 12 x 12 x 12 x 12 x 12 = ..
4) (-4) x (-4) x (-4) x (-4) x (-4) x (-4) x (-4) = ..
5) m x m x m x m =
(Practice 1 B) (Simplify the following and express your answers
in index from:)
1)
..
2)
..
3)
..
4)
..
5)
..
6)
..
7)
..
(Simplify the following and express your answers in index from:)
(Practice 1 C)
1)
..
2)
..
3)
..
4)
..
5)
..
6)
..
(Simplify the following and express your answers in index from:)
(Practice 1 D)
1)
= ..
2)
= ..
3)
= ..
.
4)
= ..
5)
= ..
6)
= ..
7)
= ..
(Simplify the following and express your answers in index
from:)
(Practice 1 E)
1. = ..
..
..
.
2 . =
..
..
.
.
3 . =
..
..
.
(Simplify each of following :)
1. =
..
..
.
.
2.=
..
..
.
.
3.=
..
..
.
.
\
(Practice 1 Ff)Simplify
1.
= .
..
2.
= .
..
3.
= .
..
4. Find the Value of
5. Find the Value of
6 . Simplify , expressing your answer in positive index form
7 . Simplify , expressing your answer in positive index form
8 . Simplify , expressing your answer in positive index form
9 . Simplify , expressing your answer in positive index form
10.Find the Value of
(Practice 1 Gf)
1. =
2. =
3. =
3. =
3. =
(Let us attempt Practice 1 H For more practice)
(Practice 1 Hf)
Consider the expressing
=
=
=
=
=
=
(Adding or subtracting radicals is very similar to adding &
subtracting like terms\)
(Radicands must be alike)
(The rules that apply to combining like terms)
(Alsso apply to combining radical terms)
(The terms cannot becombined.)
(Practice combinning radical terms:)
(Practice combinning radical terms: )
( ) ( )
\
(Practice 1 If)
1.
2.
3.
4. =
5. =
6. =
.
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