Assignment 3

Assignment 3 - root. How old is the child? 6. f ( x ) =-x...

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Problem Set Factor each of these polynomials: 1. f ( x ) = 2 x 2 + 3 x - 2 2. f ( x ) = 6 x 2 + x - 2 3. f ( x ) = 2 x 2 + 7 x + 3 4. f ( x ) = - x 2 + 4 x - 3 5. A child’s age increased by 3 years gives a number which has a square root (whole number). Decreased by 3 years, the child’s age gives the square root. How old is the child? 6. f ( x ) = x 3 - 6 x 2 + 11 x - 6 7. f ( x ) = 24 x 3 + 34 x 2 + 11 x + 1 8. f ( x ) = 3 x 3 + 45 4 x 2 + 51 4 x + 9 2 9. f ( x ) = 4 x 4 - 29 3 x 3 - 13 6 x 2 + 19 2 x + 3 10. f ( x ) = 2 x 4 - 7 3 x 3 - 24 x 2 + 13 3 x + 4
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Assignment 3 Each question is worth 1 point unless otherwise marked. Marked out of 10 Factor each of these polynomials: 1. f ( x ) = 2 x 2 - x - 1 2. f ( x ) = 5 x 2 + 5 x - 10 3. f ( x ) = 2 x 2 - 5 x - 3 4. f ( x ) = 1 2 x 2 + 2 x + 3 2 5. A child’s age increased by 5 years gives a number which has a square root (whole number). Decreased by 5 years, the child’s age gives the square
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Unformatted text preview: root. How old is the child? 6. f ( x ) =-x 3-7 6 x 2 + 1 6 7. f ( x ) = 3 x 3-21 2 x 2-52 x-36 8. f ( x ) = x 4 + 1 4 x 3-21 8 x 2 + 13 8 x-1 4 9. (2 points) f ( x ) = 8 x 4 + 42 5 x 3-67 5 x 2-21 x-36 5 10. I am thinking of a three digit number. If you subtract 7 from it, the result is divisible by 7; if 8, divisible by 8; and if 9, divisible by 9. What is the number? 11. It is raining at midnight-will we have sunny weather in 72 hours?...
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Assignment 3 - root. How old is the child? 6. f ( x ) =-x...

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