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Proportions/Equations which become Quadratic equations
Use all of the skills in second semester, algebra 1. Start with 12/x + 5/2 = x, use the LCD, turn it into x^2 - 5x - 24 = 0, then use factoring or the Quadratic formula to solve.
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| A | B |
|---|
| Solve: 12/x + 5/2 = x/2 | 8,-3 |
| Solve: -3/x + 7/2 = x/2 | 7,1 |
| Solve: -9/x +11/2 = x/2 | 2,9 |
| Solve: 9/x + 7x = x/2 | 9,-2 |
| Solve: 1/4 + 4/x = 1/x | -12 |
| Solve: x/9 -8/x = 1/9 | -8,9 |
| Solve: 5/(x+4) = 5/3(x+1) | .5 |
| Solve: (x + 42)/x = x/1 | -6,7 |
| Solve: x/5 - 24/5x = 1 | 8,-3 |
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