Focus Problems for Mid Module Assessment: 1-6 Focus Problems for End Module Assessment: 1-2 Extra Problems Topic A 1) Which expression is equivalent to (7x 5) (3x 2)? − − − A 10x 7 − B 10x 3 − C 4x 7 − D 4x 3 – 2) The expression below was simplified using two properties of operations. 5(11z + 29 + 6z) Step 1 5(11z + 6z + 29) Step 2 5(17z + 29) Step 3 85z + 145 Which properties were applied in Steps 1 and 3, respectively? A commutative property, then distributive property B commutative property, then identity property C associative property, then distributive property D associative property, then commutative property
Focus Problems for Mid Module Assessment: 1-6 Focus Problems for End Module Assessment: 1-2 Extra Problems Topic A 1) Which expression is equivalent to (7x − 5) − (3x − 2)? A 10x − 7 B 10x − 3 C 4x − 7 D 4x – 3 2) The expression below was simplified using two properties of operations. 5(11z + 29 + 6z) Step 1 5(11z + 6z + 29) Step 2 5(17z + 29) Step 3 85z + 145 Which properties were applied in Steps 1 and 3, respectively? A commutative property, then distributive property B commutative property, then identity property C associative property, then distributive property D associative property, then commutative property