Lesson Example Discussion Quiz: Class Homework |
Quiz At Home |
Title: Dividing polynomials |
Grade: 8-a Lesson: S1-L3 |
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 | Problem | Options |
---|---|---|
1 |
If the polynomials f(x) are evenly divisible by x + 5 and the polynomials g(x) = f(x) - 8, what is the value of g(2)? |
A) - 8 B) - 5 C) - 3 D) - 6 |
2 |
Which of the following is equivalent to \$ (5x^3 - 2x^2 + 4x + 7)/ (x - 4)\$. |
A) \$ 5x^2 + 18x + 16 + 311/(x - 4) \$ B) \$ 5x^2 + 18x + 76 + 311/(x - 4) \$ C) \$ 5x^2 + 18x + 76 + 271/(x - 4) \$ D) \$ 5x^2 + 18x + 76 + 231/(x - 4) \$ |
3 |
Find the quotient and remainder when \$ 2x^4 − 5x^3 + 3x^2 - 2x + 1 \$ is divided by x + 2. |
A) \$ 2x^3 - 19x^2 + 21x - 44 \$ and 87 B) \$ 2x^3 - 9x^2 + 21x - 44 \$ and 88 C) \$ 2x^3 - 9x^2 + 11x - 44 \$ and 89 D) \$ 2x^3 - 9x^2 + 21x - 34 \$ and 90 |
4 |
Let’s divide \$(2x^3 + 4x^2 + x + 6) \$ by \$(x + 2)\$. |
A) \$ 2x^2 + 5 + 4/(x + 2) \$ B) \$ 2x^2 + 1 + 9/(x + 2) \$ C) \$ 2x^2 + 1 + 3/(x + 2) \$ D) \$ 2x^2 + 1 + 4/(x + 2) \$ |
5 |
Divide the polynomial \$ 4x^4 - 5x^3 + 3x^2 - 6x + 9 \$ by \$ 2x - 3 \$. |
A) \$ 2x^3 + (3x^2/2) + (9x/4) + (3/8) + (81/8(2x - 3)) \$ B) \$ 2x^3 + (x^2/2) + (7x/4) + (3/8) + (81/8(2x - 3)) \$ C) \$ 2x^3 + (x^2/2) + (9x/4) + (1/8) + (81/8(2x - 3)) \$ D) \$ 2x^3 + (x^2/2) + (9x/4) + (3/8) + (81/8(2x - 3)) \$ |
6 |
Solve the following polynomials \$ (2x^3 + 5x^2 - 3x + 7)/(x + 2) \$. |
A) \$ 2x^2 + 3x - 5 + (2x -17)/(x + 2) \$ B) \$ 2x^2 + x - 5 + 23/(x + 2) \$ C) \$ 2x^2 + x - 5 + 17/(x + 2) \$ D) \$ 2x^2 + 5x - 3 + 17/(x - 2) \$ |
7 |
Find the remainder of the polynomial \$(3x^4 + 2x^3 - 5x^2 + 6x - 1)/(x^2 - 2x + 3)\$. |
A) 4x - 6 B) - 14x - 7 C) 16x + 7 D) 9x - 7 |
8 |
\$ (2x^3 + 5x^2 - 3x + 7)/(x + 2) \$ |
A) 1 B) 3 C) 2 D) 5 |
9 |
Let p(x) be a polynomial that is evenly divisible by \$(x − 2)^2\$, and let q(x) = p(x) − 5. Find the value of q(2). |
A) - 25 B) - 5 C) 25 D) - 3 |
10 |
Which of the following is equivalent to \$ (2x^2 - 7x - 15)/ (x - 5) \$. |
A) \$ 3/2\$ B) 3x + 2 C) 2x + 3 D) \$ 2/3\$ |
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