Course 2:
Tomorrow there is a quiz on Properties. Below you will find the answers to the practice given today in class.
1) Zero Property
2) Commutative
3) Commutative (the numbers MOVE)
4) Step 1 4+6+3x Commutative (Moved numbers so that 4 and 6 were next to each other)
Step 2 10+3x or 3x+10
5) Step 1 Move so that numbers are next to each other 5*3*x Commutative Property
Step 2 15x
6) -3*3/4* -1/3 (we added the negative in class)
Step 1: Move numbers so that -3 and -1/3 are next to each other -3*-1/3*x Commutative Property
Step 2: Multiply so that 1*3/4
Step 3: it equals 3/4 due to the IDENTITY property
7) 12+15
27
8) -30+-50
-80
9) 3x+21
10) -35+5x
EXTRA CREDIT WILL BE GIVEN IF YOU CAN WRITE YOUR CURRENT GRADE PERCENT AT THE TOP OF YOUR QUIZ!
