7.4 Radical in the denominator - MCCC
Transcript of 7.4 Radical in the denominator - MCCC
135 day 10 April 01, 2015
Simplifying Radicals7.4 Radical in the denominator
1
rationalizing the
denominator
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Conjugates
difference of square
a+b ab a2 b2
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135 day 10 April 01, 2015
rationalizing denominators
(NOT square root)
Multiply top and bottom by what you need to make a rational number in the denominator
64=8 * 8= 2*2*2*2*2*2=26
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108=2 108
2 54
3 27
3 9
3
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square root in equation
Square both sides
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to hard to call ...hope this doesnt happen to you!
135 day 10 April 01, 2015
135 day 10 April 01, 2015
135 day 10 April 01, 2015
135 day 10 April 01, 2015
complex Numbers
imaginary
complex 6 + 2i
complex conjugate 6 2i
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2 3i
3 7i 3 + 7i
3 + 7i 6 + 14i 9i 21i2
9 49i2
6 + 5i 21 (1)
9 49(1)
27+5i58
27 + 5i
58 58
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i^53 = i^52 * i = i