Intermediate Algebra TEST 1: Review Solutions
Intermediate Algebra TEST 1: Review Solutions
1. If  find
the value of y when x = -2
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| 2. Multiply :
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| 3. Multiply:
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4. Simplify by subtracting :
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5. Multiply: 
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6. Multiply:
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7. Multiply:
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| 8. Simplify and write with positive exponents:
Cancel terms inside the parentheses first, then square.
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9. Factor: 
Using the Difference of 2 Squares rule,
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10. Factor completely : First factor out the highest common factor , then use the Perfect Squares rule.
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11. Factor completely:
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12. Factor:
Use the Sum of Cubes rule,
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13. Solve for x :
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14. Solve for x :
multiply through by the lowest common denominator, 12
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15. Solve for x:
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16. Solve for x and graph on the number line :
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17. Solve for x:
 Use the
rule that if
Therefore |
18. Solve for x:
Therefore x = −3,1 |
19. Solve for x and graph on the number line :
 Use the rule that if | x | < a, then -a < x < a
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20. Solve for x and graph and the number line :
Use the rule that if | x | > a, then x > a or x < -a
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or use the
rule
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