Completing The Square (When a=1)
This lesson covers:
- How to use the 'complete the square' technique to rearrange quadratic equations
- E.g. 'Express x2 + 6x + 8 in the form (x + a)2 + b'
Write the quadratic expression below in the form (x + a)2 + b, where a and b are constants.
x2+12x−1
(x+6)2−37
(x+6)2+37
(x−6)2−35
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Write the quadratic expression below in the form (x + a)2 + b, where a and b are constants.
x2+6x
(x−3)2−92
(x+6)2−3
(x+3)2−9
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Write the quadratic equation below in the form (x + a)2 + b, where a and b are constants.
x2+8x−3
(x+4)2−13
(x+4)2−19
(x+4)2+19
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Write the quadratic equation below in the form (x + a)2 + b, where a and b are constants.
x2+4x+7
(x−2)2−3
(x+2)2+11
(x+2)2+3
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Write the quadratic equation below in the form (x + a)2 + b, where a and b are constants.
x2+5x−6
(x−2)2+42
(x+25)2−449
(x+25)2−249
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Write the quadratic equation below in the form (x + a)2 + b, where a and b are constants.
x2−3x+5
(x+23)2+411
(x+23)2−211
(x+23)2−420
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