Lesson Topics Discussion Quiz: Class Homework |
Quiz At Home |
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: at Home
| Id | Name | Note |
|---|---|---|
1 |
Find the sum of \$ (−4x^3 − x + 1) + (2x^2 + 8x − 9) \$. |
A) \$ -x^3 + 7x − 8 \$ B) \$ - 4x^3 + 2x^2 + 7x − 8 \$ C) \$ -2x^3 + 5x − 8 \$ D) \$ -x^3 + 2x − 9 \$ |
2 |
Simplify: \$ (5m^2 + 7m − 3) − (4m^2 − (+ 2m) − 1) \$. |
A) \$ m^2 + 6m − 2 \$ B) \$ m^2 + 9m − 1 \$ C) \$ m^2 + 9m − 2 \$ D) \$ 3m^2 + 2m − 7 \$ |
3 |
Add the polynomials \$ (a^2 − 2a − 6) + (6a^2 + a + 8) \$. |
A) \$ 3a^2 − 2a + 1 \$ B) \$ 7a^2 − 3a + 1 \$ C) \$ 7a^2 − 2a + 2 \$ D) \$ 7a^2 − a + 2 \$ |
4 |
Find the difference \$ (−7h^3 − h^2 + 10) − (3h^2 + 2h − 2) \$. |
A) \$ −7h^3 − 4h^2 − 2h + 12 \$ B) \$ −7h^3 − 3h^2 − 2h + 12 \$ C) \$ −2h^3 − 4h^2 − 2h + 12 \$ D) \$ −4h^3 − 2h^2 − h + 10 \$ |
5 |
Simplify: \$ (s^3 + 8s + 3) − (−s^3 + 2s^2 − 5) \$. |
A) \$ 2s^3 − 2s^2 + 8s + 8 \$ B) \$ 2s^3 − s^2 + 8s + 8 \$ C) \$ 2s^3 − 2s^2 + 4s + 8 \$ D) \$ s^3 − 4s^2 + 6s + 8 \$ |
6 |
Add the polynomials \$3x^2 + 2x + 5\$ and \$4x^2 - x + 1\$. |
A) \$7x^2 + x + 6\$ B) \$7x^2 + x - 6\$ C) \$7x^2 - 2x + 7\$ D) \$6x^2 + 2x + 7\$ |
7 |
Simplify: \$(3k^4 - 2k^3 + 3k - 1)\$ + \$(-k^4 + 5k^2 - k + 6)\$. |
A) \$2k^4 - 2k^3 + 5k^2 + 2k + 5\$ B) \$2k^3 - 2k^2 + 5k + k + 5\$ C) \$k^4 + 2k^3 + 5k^2 + 2k\$ D) \$2k^4 - 8k^3 + 4k^2 + 2k + 5\$ |
8 |
Subtract the polynomials \$2x^2 - 3x + 4\$ and \$5x^2 + x - 2\$. |
A) \$3x^3 - 2x + 2\$ B) \$-3x^2 - 4x + 6\$ C) \$-4x^2 + 2x + 4\$ D) \$4x^2 + 4x + 6\$ |
9 |
Find the sum of the polynomials \$3a^3 + a^2 - 2a + 7\$ and \$4a^3 - a^2 + a - 5\$. |
A) \$6a^3 - a + 2\$ B) \$7a^3 - 2a + 9\$ C) \$7a^3 - a + 2\$ D) \$6a^3 - 7a + 2\$ |
10 |
Simplify the expression \$(3x^3 - 2x^2 + x - 4) + (2x^3 + x^2 - 5x + 6) - (x^3 - 3x^2 + 2x - 1)\$. |
A) \$3x^3 + 2x^2 + 2x + 3\$ B) \$4x^3 + 2x^2 - 8x + 3\$ C) \$4x^3 + 2x^2 - 2x + 3\$ D) \$4x^3 + 2x^2 - 6x + 3\$ |
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