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Sometimes the denominator is an irrational or complex number (depending on the level that you are at). Rationalising the denominator requires to multiply both the numerator and denominator of the fraction by a suitable number - usually the conjugate - so that when simplified, the denominator is rational - normally an integer.
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Earn +20 ptsQ: What does it mean to rationalize a denominator?
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What is rationalize a denominator?
process by which a fraction containing radicals in the denominator is rewritten to have only rational numbers in the denominator.
To get rid of radicals in the denominator of a fraction you should rationalize the denominator by multiplying the fraction by a helpful form of?
1
Rationalize the denominator -8 divided by the square root of 18x?
-26
To rationalize a denominator that has more than one term you multiply the fraction by bb where B is the conjugate of the numerator?
No, that is not what you do.
What is 8 over square root of 5?
If you want to rationalize the denominator, then multiply numerator & denominator by sqrt(5), so 8*sqrt(5)/5 = approx 3.578
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