CPM Homework Help : CCA Problem 10-115

CPM Homework Banner

Home > CCA > Chapter 10 > Lesson 10.3.1 > Problem 10-115

10-115.

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

$6+\sqrt{5}$
Hint (a):
A rational number is a number that can be written as a fraction of integers. Can a square root be written as a fraction of integers?
Answer (a):
Irrational

$\frac{2}{3}+\frac{3}{4}$
Answer (b):
Rational

$\frac{3}{5}·\sqrt{11}$

$\sqrt{9}\cdot\sqrt [ 3 ] { 9 }$

© 2022 CPM Educational Program. All rights reserved.