Lesson Topics Discussion Quiz: Class Homework |
Quiz In Class |
Title: Adding and subtracting polynomials |
Grade 8+ Lesson s1-l1 |
Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts. |
Quiz: in Class
| Id | Name | Note |
|---|---|---|
1 |
Add the polynomials \$ (5x^2 + 3x − 7) + (x^2 + 2) \$. |
A) \$ 6x^2 + 3x − 5 \$ B) \$ 2x^2 + 3x − 5 \$ C) \$ 4x^2 + 3x − 5 \$ D) \$ x^2 + x − 1 \$ |
2 |
Find the difference \$ (6p^3 − 2p − 5) − (−p^3 + 3p^2 + 4) \$. |
A) \$ 2p^3 − p^2 − 2p − 9 \$ B) \$ 7p^3 − 3p^2 − 2p − 9 \$ C) \$ 7p^3 − 3p^2 − p − 8 \$ D) \$ 4p^3 − 3p^2 − 2p − 9 \$ |
3 |
Simplify: \$ (d^2 + 4d + 1) + (−d^2 − 1) \$. |
A) -2d B) -4d C) 4d D) 2d |
4 |
Simplify: \$ (2u^3 − 5) − (−8u^2 − 5u) \$. |
A) \$ 5u^3 + 18u^2 + 4u − 2 \$ B) \$ u^3 + 8u^2 + 5u − 5 \$ C) \$ 2u^3 + 8u^2 + 2u − 5 \$ D) \$ 2u^3 + 8u^2 + 5u − 5 \$ |
5 |
Subtract the polynomials \$ (3j^3 − 2j^2 ) − (5j^3 − j^2 − j) \$. |
A) \$ -j^3 − j^2 + 3j \$ B) \$ -j^3 − j^2 + j \$ C) \$ 2j^3 − j^2 + j \$ D) \$ -2j^3 − j^2 + j \$ |
6 |
Subtract the polynomial \$(6x^3 + 4x^2 - 2x + 3)\$ from \$(2x^3 + 5x^2 - x + 7)\$. |
A) \$4x^3 + x^2 - x + 4\$ B) \$x^3 + x^2 + x - 4 \$ C) \$-4x^3 + x^2 + x + 4\$ D) \$x^3 + x^2 - x \$ |
7 |
Add the polynomials \$2m^3 + 3m^2 - m + 4\$ and \$m^3 - 2m^2 + 5m - 3\$, then subtract the polynomial \$m^3 + m^2 - 2m + 1\$. |
A) \$2m^3 - 6m + 2\$ B) \$2m^3 + 6m\$ C) \$2m^3 - 6m\$ D) \$2m^3 + 2m^2 + 6m + 2\$ |
8 |
Add the polynomials \$(2e^2 f + 3f^2e - f^2)\$ and \$(e^2 f−5e f^2 + 2f^2)\$ and \$- 4f^2 + 6e^2 f - 8f^2 e\$. |
A) \$-10ef^2 - 3f^2 + 9e^2f\$ B) \$10ef^2 - 3f^2 + 9e^2f\$ C) \$-10ef^2 - 3f^2 - 9e^2f\$ D) \$-10ef^2 + 3f^2 + 9e^2f\$ |
9 |
Subtract \$(7a^2 b - 3a(b^2) +2b^3)\$ from \$(9(a^2)b - 5a(b^2) + 4b^3)\$. |
A) \$- 2(a^2)b - 2a(b^2) - 2b^3\$ B) \$2(a^2)b - 2a(b^2) + 2b^3\$ C) \$2(a^2)b + 2a(b^2) - 2b^3\$ D) \$- 2(a^2)b + 2a(b^2) + 2b^3\$ |
10 |
Add the polynomials \$(3n^2 + 4(2n) + 5)\$ and \$(3(4n^2) − 3n +1 )\$. |
A) \$9n^2 + 11n + 6\$ B) \$15n^2 + 5n - 6\$ C) \$15n^2 + 5n + 6\$ D) \$9n^2 + 11n + 6\$ |
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