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Chapter 9 Quiz 2
Form K
Lessons 9-5 through 9-8 Do you know HOW? Solve each equation by completing the square. If necessary, round to the nearest hundredth. 1. n2 – 5n = 3
2. v2 + 3v – 5 = 0
Use the quadratic formula to solve each equation. If necessary, round to the nearest hundredth. 3. 6g2 + g – 2 = 0
4. a2 + 7a – 9 = 0
Find the number of solutions of each equation. 5. 2h2 – 3h + 2 = 0
6. b2 + 5b – 3 = 0
Find the value of n such that each expression is a perfect square trinomial. 7. a2 + 18a + n
8. t2 – 22t + n
9. b2 + 20b + n
Solve each equation. If necessary, round to the nearest hundredth. 10. d2 – d = 30
11. 15x2 – 23x + 4 = 0
Do you UNDERSTAND? 12. Open-Ended Write a set of data points that you could model with a linear
function. What function models the data?
13. Reasoning What are the possible number of solutions of a system consisting of a linear equation and a quadratic equation? What does the number of solutions tell you about the graphs of the equations?
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