Back to Prove and use polynomial identities — Problem 2 · Task Set 15

HSA.APR.C.4 Tutor Intake — Polynomial Identities

This short check helps your tutor understand where to start with polynomial identities. Answer each question on your own without help. If you are unsure, give your best try.

Grade 9·5 problems·~10 min·Common Core Math - HS Algebra·standard·hsa-apr-c-4

Work through problems with immediate feedback

Procedures

Expand $(x + 5)^2$ using the perfect-square identity
$(a + b)^2 = a^2 + 2ab + b^2$ .

Enter the coefficient of $x$ in the expanded form.