11X1 T01 07 quadratic equations (2011)

Download 11X1 T01 07 quadratic equations (2011)

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<ul><li><p>Quadratic Equations</p></li><li><p>Quadratic EquationsIf ab = 0 then either a = 0 or b = 0</p></li><li><p>Quadratic Equations2e.g. ( ) 9 18 0i x x </p><p>If ab = 0 then either a = 0 or b = 0</p></li><li><p>Quadratic Equations2e.g. ( ) 9 18 0i x x </p><p> 6 3 0x x 6 or 3x x </p><p>If ab = 0 then either a = 0 or b = 0</p></li><li><p>Quadratic Equations2e.g. ( ) 9 18 0i x x </p><p> 6 3 0x x 6 or 3x x </p><p> ( ) 2 1 0ii x x </p><p>If ab = 0 then either a = 0 or b = 0</p></li><li><p>Quadratic Equations2e.g. ( ) 9 18 0i x x </p><p> 6 3 0x x 6 or 3x x </p><p> ( ) 2 1 0ii x x 10 or 2</p><p>x x </p><p>If ab = 0 then either a = 0 or b = 0</p></li><li><p>Quadratic Formula</p></li><li><p>2 42</p><p>b b acxa</p><p>Quadratic Formula</p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x </p><p>Quadratic Formula</p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Quadratic Formula</p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Quadratic Formula</p><p>5 574</p><p>x exact</p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Quadratic Formula</p><p>5 574</p><p>x 3.14 or 0.64x x </p><p>exact</p><p>approximate</p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Quadratic Formula</p><p>5 574</p><p>x 3.14 or 0.64x x </p><p>exact</p><p>approximate</p><p>2</p><p>( ) make the subject in 4 3ii x</p><p>y x x </p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Quadratic Formula</p><p>5 574</p><p>x 3.14 or 0.64x x </p><p>exact</p><p>approximate</p><p>2</p><p>( ) make the subject in 4 3ii x</p><p>y x x 2 4 3 0x x y </p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Quadratic Formula</p><p>5 574</p><p>x 3.14 or 0.64x x </p><p>exact</p><p>approximate</p><p>2</p><p>( ) make the subject in 4 3ii x</p><p>y x x 2 4 3 0x x y </p><p> 4 16 4 32</p><p>yx</p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Quadratic Formula</p><p>5 574</p><p>x 3.14 or 0.64x x </p><p>exact</p><p>approximate</p><p>2</p><p>( ) make the subject in 4 3ii x</p><p>y x x 2 4 3 0x x y </p><p> 4 16 4 32</p><p>yx</p><p> 4 2 4 3</p><p>2y</p><p>x </p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Quadratic Formula</p><p>5 574</p><p>x 3.14 or 0.64x x </p><p>exact</p><p>approximate</p><p>2</p><p>( ) make the subject in 4 3ii x</p><p>y x x 2 4 3 0x x y </p><p> 4 16 4 32</p><p>yx</p><p> 4 2 4 3</p><p>2y</p><p>x </p><p>4 2 72</p><p>yx 2 7x y </p></li><li><p>2 42</p><p>b b acxa</p><p> 2e.g.( ) 2 5 4 0i x x 5 25 32</p><p>4x </p><p>Exercise 1G; 1ad, 2ah, 3aei, 4dhl,5bgl, 6bf, 7ace, 8c, 9a, 10b,</p><p>11aceg, 12bc, 13b* </p><p>Quadratic Formula</p><p>5 574</p><p>x 3.14 or 0.64x x </p><p>exact</p><p>approximate</p><p>2</p><p>( ) make the subject in 4 3ii x</p><p>y x x 2 4 3 0x x y </p><p> 4 16 4 32</p><p>yx</p><p> 4 2 4 3</p><p>2y</p><p>x </p><p>4 2 72</p><p>yx 2 7x y </p><p>Slide Number 1Slide Number 2Slide Number 3Slide Number 4Slide Number 5Slide Number 6Slide Number 7Slide Number 8Slide Number 9Slide Number 10Slide Number 11Slide Number 12Slide Number 13Slide Number 14Slide Number 15Slide Number 16Slide Number 17Slide Number 18</p></li></ul>