Chapter 10: Problem 54
Write a quadratic equation with the given solutions. \(-41\) and 5
Chapter 10: Problem 54
Write a quadratic equation with the given solutions. \(-41\) and 5
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Get started for freeSimplify the expression. $$\frac{12 \sqrt{4}}{\sqrt{9}}$$
Factor the expression. Tell which special product factoring pattern you used. $$4 b^{2}-40 b+100$$
Use factoring to solve the equation. Use a graphing calculator to check your solution if you wish. $$x^{2}-\frac{5}{3} x+\frac{25}{36}=0$$
Use the quadratic formula to solve the equation. $$7 y^{2}-9 y-17=0$$
In Exercises \(64-66,\) use the vertical motion model \(\boldsymbol{h}=-\mathbf{1 6 t}^{2}+\boldsymbol{v t}+\boldsymbol{s},\) where \(\boldsymbol{h}\) is the height (in feet), \(t\) is the time in motion (in seconds), \(v\) is the initial velocity (in feet per second), and \(s\) is the initial height (in feet). Solve by factoring. T-SHIRT CANNON At a basketball game, T-shirts are rolled-up into a ball and shot from a "T-shirt cannon" into the crowd. The T-shirts are released from a height of 6 feet with an initial upward velocity of 44 feet per second. If you catch a T-shirt at your seat 30 feet above the court, how long was it in the air before you caught it? Is your answer reasonable?
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