Alg 2: Chapter 1A Review Sheet (Sec 1.1-1.5)
1. Use interval notation to represent the set of
numbers x  5 or 0  x  5
2. Write the set in set-builder notation.
2, 4,6,8,...
 3 

 5x 
17. Simplify the expression
2   x  7 y   3  2 x  y 
18. Evaluate for the given values:
1
3
3. Order the numbers 2.2, 2.75, 2 , 2
1 10
, from
4 4
a 2  2  b2  a 
2a
least to greatest.
4. Identify the property demonstrated by the
equation
5. Identify the property demonstrated by the
equation
( x  2 ) 5 x5  1 0
6. Identify the property demonstrated by the
equation 7  7  0
 2 x3 y 0 z 1 
 1 2 
 4x y z 

7
59 to the nearest tenth.

) (ab3 )3 . Assume all
4
2
4
0.6
2 2
31
2
variables are nonzero.
10. Simplify the expression
128
98
18
by rationalizing the denominator.
10
180
12. Simplify:
11. Simplify
3 2  3 5
6
(2 y ) 0
14. Simplify the expression
.
2 2
4 3
2 3
15. Simplify the expression 2a b  3a b 
13. Simplify:
2
20. Classify each number. Check each box
that applies:
W
Irr
7. Find the additive and multiplicative inverse of
9. Simplify the expression (4a
, for a  2 and b  3
19. Simplify
(3  4) x  x(3  4)
8. Estimate
2
16. Simplify the expression  
0.312