0350PracticeTest4

0350PracticeTest4 - Name:_ CHAPTERS11AND13.1 ONEILLANDMILLER

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Name:__________________________ CHAPTERS 11 AND 13.1 O’ NEILL AND MILLER INTERMEDIATE ALGEBRA PRACTICE TEST 4 I. Solve each of the following using the square root property. 1. ( x - 5) 2 = 81 2. x 2 + 121 = 0 3. 3( x + 4) 2 = 48 II. In each of the following, find the value of k so that the expression is a perfect square trinomial; then factor the trinomial. 4. x 2 + 4 x + k 5. x 2 - 14 x + k 6. x 2 + 3 x + k III. Solve each of the following by completing the square. 7. x 2 + 6 x - 5 = 0 8. x 2 - 10 x + 21 = 0 9. x 2 + 2 x + 13 = 0 IV. Solve each of the following by using the quadratic formula. 10. x 2 = 6 x - 10 11. x 2 + 81 = 18 x 12. 3 x 2 = 9 x + 2 V. Evaluate the discriminant, and use it to determine the type and number of solutions. 13. 3 x 2 + 10 x - 2 = 0 14. x 2 + 5 = 0 15. 4 x 2 + 9 = 12 x 16. x 2 - 5 x - 6 = 0 VI. The amount of money, A, in an account with an interest rate r, compounded annually, is given by A = P (1 + r ) t , where P is the initial principal and t is the number of years the money is invested. 17.
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0350PracticeTest4 - Name:_ CHAPTERS11AND13.1 ONEILLANDMILLER

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