Chapter 7 Review Sheet Solutions

# Chapter 7 Review Sheet Solutions - Chapter 7 Review Sheet 1...

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Unformatted text preview: Chapter 7 Review Sheet 1. State the Quadratic Formula. 2 b b 4ac x 2a- ±-- ±-- ±-- ±- = 2. For the following fractions, identify the values that x can not be. (you are looking for the values of x that will make the fraction undefined.) a. 5 3 ( 9)( 3)-- + x x x b. 2 2 8 2 4 25-- x x c. 2 2 5 6 10 21-- + x x x x 9, 3 ≠- ≠- ≠- ≠- 5 5 x , 2 2 ≠- ≠- ≠- ≠- x 3,7 ≠ 3. Determine the solutions to the quadratic equations: a. (3 2)( 5)-- = x x b. 2 9 27 + = x x c. 2 10 16- + = x x 2 x ,5 3 = x 3,0 = - = - = - = - x 8,2 = d. 2 4 12-- = x x e. 2 12 22 2 + + = x x f. 2 3 9 30-- = x x x 2,6 = - = - = - = - x 2, 10 = - - = - - = - - = - - x 2,5 = - = - = - = - g. 2 4 21 = + x x h. 2 2 50 = x x i. ( 2)( 5) 2 + + = - x x x 3,7 = - = - = - = - x 0,25 = x 4, 3 = -- = -- = -- = -- j. 2 3 7 20 = + x x k. 2 100 = x l. ( 1)(2 5) 9-- = x x 5 x ,4 3 = - = - = - = - x 10, 10 =- =- =- =- 1 x ,4 2 = - = - = - = - 4. Use the quadratic formula to determine the solution of the quadratic equations:...
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Chapter 7 Review Sheet Solutions - Chapter 7 Review Sheet 1...

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