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Problem $1$ Activity $4s$ Factor Then Solve! Solve the following quadratic equations by factoring. Answer the questions that follow. $1.$ $x^{2}+7x=0$ 6. $x^{2}-14=5x$ 2. $6s^{2}+18s=0$ $7$ $11r+15=-2r^{2}$ 3. $t^{2}+8t+16=0$ $8.$ $x^{2}-25=0$ $4$ $x^{2}-10x+25=0$ 9. $81-4x^{2}=0$ 5. $h^{2}+6h=16$ $10$ $4s^{2}+9=12s$ $Quesions:$ a. How did you find the solutions of each equation? b. What mathematics concepts or principles did you apply in finding the solutions? how you applied these. c. Compare your answers with those of your classmates. Did you arrive at the same s If NOT, explain.
7th-9th grade
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