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# Current technology project

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### Current technology project

1. 1. Unit 10 Jeopardy Geometric Sequences Exponential Functions Solving Quadratic Equations Graphing Quadratic Functions 400 400 400 400 300 300 300 300 200 200 200 200 100 100 100 100
2. 2. <ul><li>Which equation corresponds to the following graph? </li></ul><ul><li>x2 - 5 x + 4 </li></ul><ul><li>- x2 + 5x + 4 </li></ul><ul><li>x2 - 5x - 4 </li></ul><ul><li>- x2 + 5x - 4 </li></ul>100
3. 3. 100 <ul><li>Answer D, - x2 + 5x - 4 </li></ul>
4. 4. 200 <ul><li>The following is a graph of a function whose corresponding quadratic equation has no solutions. </li></ul><ul><li>A. True </li></ul><ul><li>B. False </li></ul>
5. 5. 200 <ul><li>Answer True </li></ul>
6. 6. 300 <ul><li>Find the coordinates of the vertex of the following equation, and is the vertex a maximum or a minimum? </li></ul><ul><li>y = 4x2 + 8x - 13 </li></ul><ul><li>( -1, -17) maximum </li></ul><ul><li>( 1, -1) minimum </li></ul><ul><li>( - 1, - 17) minimum </li></ul><ul><li>( 1, -1) maximum </li></ul>
7. 7. 300 <ul><li>Answer C, ( - 1, - 17) minimum </li></ul>
8. 8. 100 <ul><li>Graph the following equation: m 2 + 6m - 16 = 0 </li></ul><ul><li>Which solution below is correct? </li></ul><ul><li>m = - 8, m = 2 </li></ul><ul><li>m = 4, m = - 4 </li></ul><ul><li>m = 8, m = - 2 </li></ul><ul><li>m = 8, m = 2 </li></ul>
9. 9. 100 <ul><li>Answer C, m = 8, m = - 2 </li></ul>
10. 10. 200 <ul><li>Solve the following equation by taking the square root of each side. Round your answer to the nearest tenth. </li></ul><ul><li>x 2 - 4 x - 14 = 0 </li></ul><ul><li>Which answer below is correct? </li></ul><ul><li>x = - 6.2, x = - 2.2 </li></ul><ul><li>x = 6.2, x = 2.2 </li></ul><ul><li>x = - 6.2, x = 2.2 </li></ul><ul><li>x = 6.2, x = - 2.2 </li></ul>
11. 11. 200 <ul><li>Answer D, 6.2, x = - 2.2 </li></ul>
12. 12. 300 <ul><li>Solve the following equation by taking the square root of each side. </li></ul><ul><li>1/2x 2 - 7/4x - 4 = 0 </li></ul><ul><li>x = 5.05, x = - 1.5 </li></ul><ul><li>x = 9.75, x = 7.25 </li></ul><ul><li>x = - 5.05, x = 1.05 </li></ul><ul><li>x = - 7.25, x = - 9.75 </li></ul>
13. 13. 300 <ul><li>Answer A, x = 5.05, x = - 1.5 </li></ul>
14. 14. 100 <ul><li>Compare the graphs of y = 5 x and y = 2 x . </li></ul><ul><li>Which graph is steeper? </li></ul><ul><li>y = 2x </li></ul><ul><li>y = 5x </li></ul><ul><li>neither </li></ul>
15. 15. 100 <ul><li>Answer B, y = 5x </li></ul>
16. 16. 200 <ul><li>y = 4(3x -7) </li></ul><ul><li>What is the y intercept = _____ </li></ul>
17. 17. 200 <ul><li>Answer is -24 </li></ul>
18. 18. 300 <ul><li>Given the function y = ( 3/10) x </li></ul><ul><li>When x = - 1.4, y is: </li></ul><ul><li>4< y < 5 </li></ul><ul><li>3< y < 2 </li></ul><ul><li>5< y < 6 </li></ul><ul><li>6< y < 7 </li></ul>
19. 19. 300 <ul><li>Answer C, 5< y < 6 </li></ul>
20. 20. 100 <ul><li>The following sequence is geometric: </li></ul><ul><li>- 1,472, - 368, - 92, - 23 </li></ul><ul><li>True </li></ul><ul><li>False </li></ul>
21. 21. 100 <ul><li>Answer True </li></ul>
22. 22. 200 <ul><li>Which number is next in the geometric sequence: </li></ul><ul><li>50, 175, 612.5, 2,143.75, ___________ </li></ul><ul><li>6,431.125 </li></ul><ul><li>6,429 </li></ul><ul><li>7,800 </li></ul><ul><li>7,503.125 </li></ul>
23. 23. 200 <ul><li>Answer D, 7503.125 </li></ul>
24. 24. 300 <ul><li>What is the negative geometric mean for the following geometric sequence: </li></ul><ul><li>- 6, _______, - 864 </li></ul><ul><li>geometric mean = ____________ </li></ul>
25. 25. 300 <ul><li>Answer -72 </li></ul>
26. 26. 400 <ul><li>What is the equation of the axis of symmetry of the graph of: </li></ul><ul><li>y = 3x2 - 7x + 13 </li></ul><ul><li>x = ____________ </li></ul>
27. 27. 400 <ul><li>Answer 1.17 </li></ul>
28. 28. 400 <ul><li>Which expression represents the solutions to: </li></ul><ul><li>3y 2 + 7y + 3 =0 </li></ul><ul><li>( - 7± √ 1 3 ) / 6 </li></ul><ul><li>( 7± √ 1 3 ) / 6 </li></ul><ul><li>( 7± √85 ) / 6 </li></ul><ul><li>( 7± √85 ) / 6 </li></ul>
29. 29. 400 <ul><li>Answer A, ( - 7± √ 1 3 ) / 6 </li></ul>
30. 30. 400 <ul><li>If you invest \$1,000 in a savings account that pays 5.25% interest compounded monthly, use a calculator to find out what the value of your account be after 18 years? Give your answer to the nearest whole dollar. Use the review below to find the equation for compound interest. </li></ul><ul><li>A = ________________ </li></ul>
31. 31. 400 <ul><li>Answer 2,568 </li></ul>
32. 32. 400 <ul><li>What is the nth term of the following geometric sequence: </li></ul><ul><li>a 1 = - 6, n = 4, r = 7 </li></ul><ul><li>Use the review below to find the formula for the nth term of a geometric sequence. </li></ul><ul><li>a 4 = ____________ </li></ul>
33. 33. 400 <ul><li>Answer - 2058 </li></ul>