Common Core: The Real Number System

HSN.RN.A1

Explain how the definition of the meaning of rational exponents follows from extending the properties of integer exponents to those values, allowing for a notation for radicals in terms of rational exponents. For example, we define 51/3 to be the cube root of 5 because we want (51/3)3 = 5(1/3)3 to hold, so (51/3)3 must … Read More “HSN.RN.A1”

October 1, 2018
HSN.RN.A2

Rewrite expressions involving radicals and rational exponents using the properties of exponents.

October 1, 2018
HSN.RN.B3

Explain why the sum or product of two rational numbers is rational; that the sum of a rational number and an irrational number is irrational; and that the product of a nonzero rational number and an irrational number is irrational.

October 1, 2018