Are all integers rational numbers? Why or why not?
2 points
2
Question 3
3.
Evaluate
2 points
2
Question 4
4.
Evaluate
2 points
2
Question 5
5.
Evaluate
Level 3
3 points
3
Question 6
6.
Is the height of a tree a rational or irrational number? Explain your reasoning.
3 points
3
Question 7
7.
Which expressions simplify to a rational number? Select ALL that apply.
3 points
3
Question 8
8.
Simplify
3 points
3
Question 9
9.
Simplify
1 point
1
Question 10
10.
Simplify
Level 4
4 points
4
Question 11
11.
When is the sum of two irrational numbers rational? Explain and give an example.
4 points
4
Question 12
12.
Ann and George were both asked to simplify \sqrt{20}. See their work in the show your work box. Tell me which one is incorrect and what he or she did wrong.