standard_description: 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.
problem_activity: Problem 3
Pre-unit
Match the pictures with the expressions.
A:
[IMG]
B:
[IMG]
C:
[IMG]
1: \(\hspace{1.5cm}6+2\)
2: \(\hspace{1.5cm}5+3\)
3: \(\hspace{1.5cm}8-3\)


aligns: no