1.2 Review Worksheet, Part 2
1.2.3 Simplifying Expressions
Simplify each expression. 1. 53 + 28 + 17 + 12
2. 5 · 14 · 20
3. 6 · 3 · 5
4. 4.5 + 7.1 + 8.5 + 3.9
Write each product using the Distributive Property. Then simplify.
5. 9(62)
6. 8(29)
7. 11(25)
8. 6(53)
Simplify each expression by combining like terms.
9. 3 x + 9 x
10. 14 x 2 − 5 x 2
11. − 7 x + 8 x
12. 3 x 2 − 4
Simplify each expression. Justify each step with an operation or property.
13. 4( y + 6) + 9
14. − 7( x + 2) + 4 x
15. 3 x + 2 − 2 x − l
16. 5 x − 3 x + 3 x 2 + 9 x
17. 8 x + 2 x − 3 y − 9 x
18. 7 y − 3 + 6 y − 7
1.2.4 Introduction to Functions
Graph each point.
19. D (2, 8)
20. E ( − 2, − 7)
21. F (0, − 5)
22. G (4, − 4)
y
Name the quadrant in which each point lies.
4
T
23. X
24. Y
25. Z
S
2
Z
x
26. R
27. S
28. T
2
4
–4 –2
Y
–2
R
X
–4
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