TOPIC 1:
1. If
Elementary Operations
a=−
find the value of −
3x – 2(5x - y) – (4y + x)
2. Simplify:
3. Reduce:
4. Simplify:
5. Find x:
2
-2 3 -1
-3
6. Simplify: 2(-3x y ) · (-3x y)
2
7. Write answer in standard notation:
8. Write answer in scientific notation:
(2.5x102)-1·(2x106)
9. Find the value:
10. If a= -2
find |3a – 4|
ANSWERS
TOPIC 1: Elementary Operations
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