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Back to Prove and use polynomial identities — Problem 4 · Task Set 16

Exercises: Prove and Use Polynomial Identities

Work through each section in order. For proof problems, show all algebraic steps clearly.

Grade 9·22 problems·~38 min·Common Core Math - HS Algebra·standard·hsa-apr-c-4
Work through problems with immediate feedback
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Fluency Practice

1

Use the difference of squares identity a2−b2=(a+b)(a−b)a^2 - b^2 = (a+b)(a-b) to compute 99×10199 \times 101 mentally.

Enter the value of 99×10199 \times 101.