Write down all the laws of indices

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Presentation transcript:

Write down all the laws of indices Lesson Objectives: Revise Index algebra so that we can recall and apply all the main rules for simplifying terms Write down all the laws of indices

Evaluate: 43

Evaluate: 25

Evaluate: (32)2

Evaluate: (22)3

Evaluate:

Evaluate:

Evaluate:

Evaluate:

Evaluate:

Evaluate:

Evaluate:

a) x4 × x5 b) y-3 × y c) 2p3 × 3p5 d) 3x2y × 5y3 e) Evaluate: a) 25 b) 2-3 c) d) e) 50 Simplify: a) x4 × x5 b) y-3 × y c) 2p3 × 3p5 d) 3x2y × 5y3 e) f) x12 ÷ x5 g) 4x5 ÷ 6x h) 6y4x ÷ 4yx-2 i) j) a) b) c) d) e) a) b) c) d) e)

a) x4 × x5 b) y-3 × y c) 2p3 × 3p5 d) 3x2y × 5y3 e) Evaluate: a) 25 b) 2-3 c) d) e) 50 Simplify: a) x4 × x5 b) y-3 × y c) 2p3 × 3p5 d) 3x2y × 5y3 e) f) x12 ÷ x5 g) 4x5 ÷ 6x h) 6y4x ÷ 4yx-2 i) j) a) b) c) d) e) a) b) c) d) e)

1) Shocking algebraic mistakes: Consider n2 + n What is this when n = 2x? What is this when n = 2x + 1? 2) What is (4x + 3)2 ? 3) What is (2x + 1)3 ? 4) What is 2(3x + 1)2 ? 5) If A = 2x + 3 and B = 3x - 7 what is A – B?