Lesson Example Discussion Quiz: Class Homework |
Quiz At Home |
Title: Adding and Subtracting Radicals |
Grade: 8-b Lesson: S1-L6 |
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 |
Simplify \$9sqrt(25x^3) + 2sqrt(7x^3)\$. |
A) \$x\sqrt(7x)( 45 + 2\sqrt7) \$ B) \$x\sqrtx( 45 + 2\sqrt7) \$ C) \$x\sqrtx( 14 + 2\sqrt(7x)) \$ D) \$x\sqrtx( 35 - 2\sqrt7) \$ |
2 |
Simplify \$ (\sqrt28) - 3(\sqrt7) \$. |
A) \$ (\sqrt3) \$ B) \$ -(\sqrt7) \$ C) \$ -(\sqrt5) \$ D) \$ (\sqrt7) \$ |
3 |
Simplify \$ 2 root(3)(27y) - 3 root(3)(125y^4)\$. |
A) \$ root(3)(21y) \$ B) \$ root(3)(6 - 5y) \$ C) \$ root(3)(4 + 15y) \$ D) \$ root(3)(6 + 15y) \$ |
4 |
Simplify \$ 2sqrt(27) + sqrt(108) + sqrt(75) \$. |
A) \$ 23\sqrt6 \$ B) \$ 15\sqrt2\$ C) \$ 12\sqrt3\$ D) \$ 17\sqrt3\$ |
5 |
Simplify \$ 6\sqrt(28) - 5\sqrt (63) - \sqrt(112) \$. |
A) \$ 4\sqrt7\$ B) \$ 5\sqrt7\$ C) \$ - 7\sqrt7\$ D) \$ 23\sqrt7\$ |
6 |
Simplify \$2\sqrt(12) - \sqrt(75) + 4\sqrt(3)\$. |
A)\$3\sqrt(-4)\$ B) \$-3\sqrt(3)\$ C) \$3\sqrt(3)\$ D) \$3\sqrt(-4)\$ |
7 |
Simplify \$\sqrt(2) + \sqrt4 \sqrt3\$. |
A) \$(1 + \sqrt2 \sqrt3) \sqrt2\$ B) \$(\sqrt2 \sqrt3) \sqrt2\$ C) \$\sqrt(2) + 3\sqrt(2)\$ D) \$\sqrt(2) - 3\sqrt(3)\$ |
8 |
Solve \$2 root(3)(8) - root(3)(54)\$. |
A) \$-3 root(3)(2) + 4\$ B) \$-3 root(4)(2) + 4\$ C) \$3 root(4)(2) + 4\$ D) \$3 root(3)(2) + 4\$ |
9 |
Simplify \$2\sqrt(20) - \sqrt(45)\$. |
A) \$\sqrt(4)\$ B) \$\sqrt(5)\$ C) \$\sqrt(6)\$ D) \$-\sqrt(6)\$ |
10 |
Combining Like Radicals \$4\sqrt(11) - 3\sqrt(11) + \sqrt(11)\$. |
A) \$\sqrt(11)\$ B) \$2\sqrt(11)\$ C) \$\sqrt(12)\$ D) \$2\sqrt(-12)\$ |
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