Lesson Example Discussion Quiz: Class Homework |
Quiz Discussion |
Title: Adding and subtracting polynomials |
Grade: 8-b Lesson: S1-L1 |
Explanation: Let us discuss a few questions on this topic and review the answers to every question. |
Quiz: Discussion in Class
| Problem Id | Problem | Options |
|---|---|---|
Steps 1 |
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\$ |
Steps 2 |
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\$ |
Steps 3 |
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\$ |
Steps 4 |
\$3(( 4x^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\$ |
Steps 5 |
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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