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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
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Evaluate:
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Evaluate: (32)2
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Evaluate: (22)3
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a) x4 × x5 b) y-3 × y c) 2p3 × 3p5 d) 3x2y × 5y3 e)
Evaluate: a) 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)
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a) x4 × x5 b) y-3 × y c) 2p3 × 3p5 d) 3x2y × 5y3 e)
Evaluate: a) 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)
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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 what is A – B?
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