BetterGrades Algebra · Unit A7 · Review

Polynomial Operations and Special Products: cumulative review

Polynomial Operations and Special Products: cumulative review for Polynomial Operations and Special Products, with an explicit attempt-first assessment blueprint.

Assessment

35 concrete questions

Suggested time: 35-60 minutes.

Grading boundary: mixed self-check + selected deterministic checks

Cumulative share: 25% prior units

Each question is fully authored and linked to a lesson skill. Detailed scoring criteria and worked solutions stay protected until a substantive attempt is submitted.

Open the protected response guide

Open-response checkA7.7

Connect the opening situation “Reverse a distributed multiplication.” to the algebraic structure used in the worked case. Define quantities and units before writing any equation.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.7

Explain why the method for division by a monomial is valid here and name one nearby problem where it would not apply.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.7

Compare the conclusions of all three worked cases with this lesson outcome—Divide every polynomial term and state restrictions where needed. Explain what remains invariant across them.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.7

Exit check: solve and verify without referring to the displayed steps. Divide 18x512x3+6x26x2\frac{18x^{5} - 12x^{3} + 6x^{2}}{6x^{2}}.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.7

Exit check: solve and verify without referring to the displayed steps. Simplify 15a4b3+10a2b55a2b2\frac{-15a^{4}b^{3} + 10a^{2}b^{5}}{5a^{2}b^{2}}.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Classify the mathematical object and requested action in this lesson case: Divide 2x3+3x211x62x^{3} + 3x^{2} - 11x - 6 by x+3x + 3.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

State the central definition behind this outcome: Use place-value alignment to write a polynomial as divisor times quotient plus remainder.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Before calculating, list every sign, endpoint, unit, grouping, or domain condition that can affect: Divide 2x3+3x211x62x^{3} + 3x^{2} - 11x - 6 by x+3x + 3.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Explain why this opening move is valid: Divide the leading terms to obtain 2x2,2x^{2}, multiply back, and subtract.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Divide 2x3+3x211x62x^{3} + 3x^{2} - 11x - 6 by x+3x + 3.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Divide x34x2+x+6x^{3} - 4x^{2} + x + 6 by x2x - 2.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Divide 2x3+x252x^{3} + x^{2} - 5 by x+1x + 1.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Verify the proposed result “2x23x2,2x^{2} - 3x - 2, remainder 00.” against the original statement.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Complete the calculation after “Divide x3x^{3} by xx to get x2x^{2} and subtract x32x2x^{3} - 2x^{2}.” in this problem: Divide x34x2+x+6x^{3} - 4x^{2} + x + 6 by x2x - 2.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Name and justify the most efficient first move, then solve: Divide 2x3+x252x^{3} + x^{2} - 5 by x+1x + 1.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Compare the methods used in these two cases and identify the structural reason they differ: Divide x34x2+x+6x^{3} - 4x^{2} + x + 6 by x2x - 2. Divide 2x3+x252x^{3} + x^{2} - 5 by x+1x + 1.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Create the representation most useful for checking this result: Divide x34x2+x+6x^{3} - 4x^{2} + x + 6 by x2x - 2. Use standard form, an area or multiplication grid when helpful, and the expandedfactored\frac{expanded}{factored} identity.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

A learner reports “2x23x2,2x^{2} - 3x - 2, remainder 00.” but omits the original-condition check. Explain the risk before deciding whether the result is supported.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Repair a solution that skips “Successive quotient terms are 2x2,x,2x^{2}, -x, and xx.” while solving: Divide 2x3+x252x^{3} + x^{2} - 5 by x+1x + 1.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

In this polynomial long division case, change one numerical value, solve the revised problem, and identify which parts of the original method still apply: Divide 2x3+3x211x62x^{3} + 3x^{2} - 11x - 6 by x+3x + 3.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Connect the opening situation “Divide an algebraic area or expression by a known factor.” to the algebraic structure used in the worked case. Define quantities and units before writing any equation.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Explain why the method for polynomial long division is valid here and name one nearby problem where it would not apply.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Compare the conclusions of all three worked cases with this lesson outcome—Use place-value alignment to write a polynomial as divisor times quotient plus remainder. Explain what remains invariant across them.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Exit check: solve and verify without referring to the displayed steps. Divide x34x2+x+6x^{3} - 4x^{2} + x + 6 by x2x - 2.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.8

Exit check: solve and verify without referring to the displayed steps. Divide 2x3+x252x^{3} + x^{2} - 5 by x+1x + 1.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

Classify the mathematical object and requested action in this lesson case: A student claims (x+4)2=x2+16(x + 4)^{2} = x^{2} + 16. Diagnose and repair the identity.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

State the central definition behind this outcome: Choose the correct operation and reject false distribution or exponent laws.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

Before calculating, list every sign, endpoint, unit, grouping, or domain condition that can affect: A student claims (x+4)2=x2+16(x + 4)^{2} = x^{2} + 16. Diagnose and repair the identity.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

Explain why this opening move is valid: Expand the product (x+4)(x+4)(x + 4)(x + 4).

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

A student claims (x+4)2=x2+16(x + 4)^{2} = x^{2} + 16. Diagnose and repair the identity.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

Simplify(x+2)(x2)+4x(x23x)(x + 2)(x - 2) + 4x - (x^{2} - 3x)

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

Determine whether 6x49x3+3x26x^{4} - 9x^{3} + 3x^{2} is written most usefully in expanded form or factored form for finding zeros.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

Verify the proposed result “(x+4)2=x2+8x+16(x + 4)^{2} = x^{2} + 8x + 16.” against the original statement.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

Complete the calculation after “Recognize the conjugate product as x24x^{2} - 4.” in this problem: Simplify (x+2)(x2)+4x(x23x)(x + 2)(x - 2) + 4x - (x^{2} - 3x).

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Open-response checkA7.9

Name and justify the most efficient first move, then solve: Determine whether 6x49x3+3x26x^{4} - 9x^{3} + 3x^{2} is written most usefully in expanded form or factored form for finding zeros.

Write a complete attempt before opening the response guide.

Attempt once to unlock the response guide

Complete a substantive attempt to unlock the protected solution and scoring criteria.

Source & rights

Original storyboard, rights-separated references.

Public page content comes from the BetterGrades Algebra editorial storyboard supplied by the owner. Reference books named in provenance remain separate and are not copied into the application.