WCS
Name: ________________________Date: ________________ Hour: ____Factoring Unit Lesson 4 Factoring Differences of Squares WorksheetFactor each polynomial, if possible. If the polynomial cannot be factored, write prime.x2-9x2-641-9x216x2-9y2x2-4y275x2-483x2-16 9x2-100y225x2-49 16x2-169Solve each equation by factoring.9x2-4=0x2-2536=0x2-81=04x2=162x2=503x3=48xA rock breaks loose from a cliff and plunges towards the ground 400 feet below. The distance d that the rock falls in t seconds is given by the equation d=16t2. How long will it take the rock to hit the ground?4659931136300Manuel and Jessica are factoring 64x2+16y2. Who is correct? Explain your reasoning? ................
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