Quiz Discussion

Title: Adding and subtracting polynomials

Grade 8+ Lesson s1-l1

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

Id Name Note

Simplify \$(3q^2 - 2q + 5) + (4q^2 + 3q - 1)\$.

A) \$q^2 + q - 4\$

B) \$7q^2 + q + 4\$

C) \$q^2 - q + 4\$

D) \$7q^2 - q + 4\$

Subtract \$(5p^3 + 2p^2 − 3p + 7)\$ from \$(2p^3 − p^2 + 4p − 1)\$.

A) \$ 7p^3 + 3p^2 - 7p - 8\$

B) \$ 3p^3 + 3p^2 - 7p - 8\$

C) \$ 7p^3 + 7p^2 - 7p + 8\$

D) \$ 3p^3 + 3p^2 - 7p + 8\$

Subtract \$16 (m^3) - 21s^2 + 4(5s) - 43)\$ and \$18s^2 - 3(5m^3) - 5s + 14\$.

A) \$31m^3 + 39s^2 + 25s - 57\$

B) \$-31m^3 - 39s^2 - 25s - 57\$

C) \$31m^3 - 39s^2 + 25s - 57\$

D) \$31m^3 - 39s^2 + 25s + 57\$

Add \$3( 4 (x^3) - 2x^2 + 5x - 3)\$ and \$2( 3x^2) - 6(2x^3) - x + 7\$.

A) 14x - 2

B) \$12x^3 - 12x^2 - 14x -2\$

C) 14x + 2

D) \$12x^3 + 12x^2 +14x +2\$

Simplify \$9x^4 y^2 + 6 x^2 - 3y^3 + 24\$ + \$-15x^2 + 4x^4 y^2 + 8y^3 - 15\$.

A) \$13(x^4)(y^2) + 5(y^3) - 9(x^2) + 9\$

B) \$13(x^4)(y^2) + 9(y^3) - 9(x^2) + 5\$

C) \$13(x^4)(y^2) - 5(y^3) - 9(x^2) + 9\$

D) \$-13(x^4)(y^2) - 9(y^3) - 9(x^2) - 5\$

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