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QUIZ 3:
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SEC. 1.8 SIMPLIFY THE NEXT THREE EXPRESSIONS:
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1. 3(2 - 7) - ( - 5 + 1)
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2. 
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3. 
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SEC. 2.1
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4. COMPLETE THE TABLE BY EVALUATING THE EXPRESSION
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Value of x
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Value of y
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Expression: -3x + y
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3
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12
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??
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5. COMPLETE
THE TABLE BY EVALUATING THE EXPRESSION
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Value of x
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Value of y
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Expression: 3x
+ 2y
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4
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-4
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??
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6. REWRITE
THE FOLLOWING EXPRESSION WITHOUT EXPONENTS:
7x3y5
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7. EVALUATE
THE EXPRESSION FOR s = 2, t = -3: -2s2t2.
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SEC.
2.2
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8. Simplify
by combining like terms: (a) 8a2 - b2 - 3a2
+ b2 (b) 8a2
- 2b2 - 3a2
+ 5b2
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9.
Use
the distributive property to simplify this expression. 7(b + 6)
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10. Use
the distributive property to simplify this expression. -2(5y + 4)
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11. Simplify these expressions. (a) 3 + 7(m - 4) (b) -5(k+5) + 5k
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SEC.
2.3
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12. SOLVE
EACH EQUATION: (a) - 6 = n + 3 (b) x – 13 = -3
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