Review Sheet 1

Review Sheet 1 - Review Sheet 1 Math 112 Fall 2008 1....

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Unformatted text preview: Review Sheet 1 Math 112 Fall 2008 1. Simplify a 3 b- 4 c 2 a 5 b 2 c- 4 2 2. Simplify 3 108 + 3 - 81 + q 3 9 3. Rewrite the expression using only rational exponents: 5 s x 3 y 3 z 2 4. Factor 6 x 3 + 13 x 2- 5 x 5. Simplify 5 2 x + 2- 3 x 2 + x + 2 x + 1 6. Solve for x 1 2- 1 x = 1 x- 1 3 7. Find the equation of the line through the point (1 , 2) and perpendicular to the line through the points (- 1 , 3) and (2 ,- 7). 8. Determine the center and radius of the circle given by the equation 4 x 2- 4 x + 4 y 2 + 8 y- 59 = 0 9. Determine the symmetries of | x + y | = 2 10. Solve the following: A)2 y 2- 5 y- 2 = 0 B) x 6- 10 x 4 + 24 x 2 = 0 11. The difference of two positive numbers is one-third of their sum. The sum of the squares of the two numbers is 180. Find the two numbers. 1 2 12. Solve the following and write the answers in interval notation: A) x- 1 4- 2 x +3 5 x B) 1 x 1 x +1 13. Solve the following and give the solution in number line and interval notation:13....
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Review Sheet 1 - Review Sheet 1 Math 112 Fall 2008 1....

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