CPM Homework Help : INT2 Problem 6-53

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Home > INT2 > Chapter 6 > Lesson 6.2.1 > Problem 6-53

6-53.

Identify each sum or product as a rational number or an irrational number.

Hint:

Refer to the Math Notes in the lesson to help you with defining rational and irrational numbers.

$\sqrt{9}+\frac{5}{17}$
Hint (a):
What is the square root of $9$ ? Can you simplify the answer to help you determine if it is irrational?
Answer (a):
Rational

$\frac{2}{3}+\pi$
Hint (b):
Is $\pi$ a rational number that terminates or repeats?
Answer (b):
Irrational

$5·\sqrt{11}$
Hint (c):
Is the $\sqrt{11}$ a rational number that terminates or repeats?
Answer (c):
Irrational

$\sqrt{12}·\sqrt{3}$
Hint (d):
Simplify before answering.
Answer (d):
Rational

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