Lesson Example Discussion Quiz: Class Homework |
Quiz At Home |
Title: Find the sum or difference of polynomials. |
Grade: 7-b Lesson: S4-L9 |
Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the five 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
| Problem Id | Question | Problem | Options |
|---|---|---|---|
1 |
Find the sum or difference of polynomials. |
\$ (−8x + 2) + (−10x − 7) \$ |
A) \$ 18x + 5 \$ B) \$ 18x - 5 \$ C) \$ -18x - 5 \$ D) \$ -18x + 5 \$ |
2 |
Find the sum or difference of polynomials. |
\$ (−x^2 − 4) + (x^3 − 4x^2) \$ |
A) \$ x^3 − 5x^2 - 4\$ B) \$ x^3 + 5x^2 - 4 \$ C) \$ x^3 − 5x^2 + 4 \$ D) \$ x^3 + 5x^2 + 4 \$ |
3 |
Find the sum or difference of polynomials. |
\$ (x^2 − 2x − 6) + (6x^2 + x + 8) \$ |
A) \$ 7x^2 - x - 2 \$ B) \$ 7x^2 + x - 2 \$ C) \$ 7x^2 - x + 2 \$ D) \$ 7x^2 + x + 2 \$ |
4 |
Find the sum or difference of polynomials. |
\$ (3x^3 − 2x^2) − (5x^3 − x^2 − x) \$ |
A) \$ -2x^3 − x^2 + x \$ B) \$ -2x^3 + x^2 + x \$ C) \$ 2x^3 + x^2 - x \$ D) \$ 2x^3 − x^2 - x \$ |
5 |
Find the sum or difference of polynomials. |
\$ (−7x^3 − x^2 + 10) − (3x^2 + 2x − 2) \$ |
A) \$ −7x^3 + 4x^2 - 2x - 12 \$ B) \$ 7x^3 - 4x^2 - 2x + 12 \$ C) \$−7x^3 - 4x^2 - 2x + 12 \$ D) \$ 7x^3 + 4x^2 + 2x - 12 \$ |
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