PreAlg Unit 1, 2, 3 review

Unit 1

100

3 x (5 x 1) = (3 x 5) x 1 Distributive, commutative, associative, identitive

Associative

200

Am I a perfect square? 81. Yes or no, name one more.

Yes, 144

300

Square root of 49/4 = 

7/2

Unit 2

100

What is 0.00043 in scientific notation 

4.3 x 10^-4

200

(4⁴)(4^-2)= ___ and what property am I? Power to power, negative, zero, product law

4² Product

300

1.2 x 10² + 3 x 10² 

4.2 x 10²

Unit 3

100

2x + 7 - 4x

-2x + 7

200

One, infinite, no solutions for 4x - 1 = 4x -1

Infinite

300

Solve. 2(x-1) = 6

x = 4