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Algebra

Algebra. 12.2/12.3 Review. #1) Simplify. a). b). #2) Add and Subtract: Simplify each term first. #3) Multiply. a). b). #4) Multiply. #5) Multiply. It’s a DTS!. #6) Simplify. a). 3. b). 1. #7) Simplify. conjugate. Multiply by 1 in the form of. conjugate. 5. 1. 11.

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Algebra

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  1. Algebra 12.2/12.3 Review

  2. #1) Simplify. a) b)

  3. #2) Add and Subtract: Simplify each term first.

  4. #3) Multiply a) b)

  5. #4) Multiply.

  6. #5) Multiply. It’s a DTS!

  7. #6) Simplify. a) 3 b) 1

  8. #7) Simplify. conjugate Multiply by 1in the form of conjugate 5 1 11

  9. #8) Solve √x + 16 = 1 -16 -16 √x = -15 ( )2 ( )2 x = 225 Check it!! No solution!

  10. #9) Solve √3x + 2 + 2 = 3 -2 -2 √3x + 2 = 1 ( )2 ( )2 3x + 2 = 1 -2 -2 3x = -1 x = -1/3 Check it!!

  11. #10) Solve ( )2 ( )2 √2x + 3 = x 2x + 3 = x2 -2x – 3 -2x – 3 0 = x2 – 2x – 3 0 = (x– 3)(x + 1) x = 3, -1 Check them!! x = 3 -1 does not check!

  12. #11) Find the geometric mean. The geometric mean of m and 3 is 15. Find the value of m. Geometric Mean = √3m ( )2 ( )2 15 = √3m 225 = 3m 3 3 75 = m

  13. #12) Simplify. a) b) c)

  14. #13) Multiply. It’s a PST! #14) Multiply.

  15. HW

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