Lesson Topics Discussion Quiz: Class Homework |
Quiz In Class |
Title: Multiply and Divide Variables |
Grade 6+ Lesson s2-l7 |
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 |
Multiply (2x − 3)(4x + 5). |
A) \$ 8x^2 - 3x \$ B) \$ 6x^2 - 2x - 30 \$ C) \$ 8x^2 - 2x -15 \$ D) \$ 8x^2 - 4x \$ |
2 |
Divide \$(abc^2)\$ by \$(ab)\$. |
A) \$a^2b^2\$ B) \$4c^3\$ C) \$abc\$ D) \$c^2\$ |
3 |
Multiply \$(c^2 − 2d)(c^2 + 2d)\$. |
A) \$ c^4 - 2d^2 \$ B) \$ c^4 - 4d^2 \$ C) \$ c^4 - 3d^2 \$ D) \$ c^4 - 5d^2 \$ |
4 |
Multiply (5x) by (-3y). |
A) -15xy B) \$-15x^2y\$ C) \$-12xy^2\$ D) -12xy |
5 |
Simplify: \$(6e^2) \div (4f) \times (4f^2) \div (9e)\$ |
A) \$ (2/3)ef \$ B) \$ (4/3)ef \$ C) \$ (5/3)ef \$ D) \$ (1/3)ef \$ |
6 |
Multiply: (3x + 4)(2x - 5) |
A) \$2x^2 - 8x - 10\$ B) \$6x^2 - 7x - 20\$ C) \$6x^2 - 4x -+10\$ D) \$7x^3 +7x - 20\$ |
7 |
Divide: \$(6a^3b^2)/(3ab)\$. |
A) \$3a^2b\$ B) \$2a^2b\$ C) \$a^2b\$ D) \$4a^3b\$ |
8 |
Multiply: (2m - 3n)(m + 5n). |
A) \$2m^2 - 3mn - 15n^2\$ B) \$2m^2 + 7mn - 25n^2\$ C) \$2m^2 + 7mn - 15n^2\$ D) \$2m^2 - 17mn - 5n^2\$ |
9 |
Divide: \$(9x^4)/(3x^2)\$. |
A) \$2x^2\$ B) \$4x^2\$ C) \$3x^2\$ D) \$5x^2\$ |
10 |
Simplify: \$((12xy^2)/(4x^2y)) \times ((3x^3)/(6y))\$. |
A) \$(x^2)/(2)\$ B) \$(3x^2)/(4)\$ C) \$(4x^2)/(7)\$ D) \$(3x^2)/(2)\$ |
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