2 Answered Questions for the topic Radical Operations

Radical Operations Math Algebra Radicals

11/08/19

Rationalize the denominator (√2+√5)/(√3-√7).

Rationalize the denominator (√2+√5)/(√3-√7).I got this as the answer, - (√2+√5)(√3+√7)/(4). Is this correct or do I have to multiply it using the foil method and get this? -(√6+√14+√15+√35))/(4).... more
Radical Operations Math Algebra Radicals

11/07/19

Consider y = −√x. Is y a function of x? Why or why not? Is it true that |y| is always less than x? Show that it is or give a counter example.

Consider y = −√x. Is y a function of x? Why or why not? Is it true that |y| is always less than x? Show that it is or give a counter example.

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