Lesson Example Discussion Quiz: Class Homework |
Step-4 |
Title: Multiplication of surds |
Grade: 9-a Lesson: S3-L5 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Simplify: |
|
2 |
Hint |
Do cancelation |
\$ (\cancel2sqrt(10))/cancel2 × (cancel3sqrt(20))/cancel3 × (cancel4sqrt(40))/cancel4 \$ |
3 |
Step |
After cancelation |
\$ sqrt(10) × sqrt(20) × sqrt(40) \$ |
4 |
Step |
Take multiples of 20,40 |
\$ sqrt(10) × sqrt(4×5) × sqrt(4×10) \$ |
5 |
Step |
Take separate surds |
\$ sqrt(10) × sqrt(4)×sqrt(5) × sqrt(4)×sqrt(10) \$ |
6 |
Step |
After simplification |
\$ 10 × 2 × sqrt(5) × 2 \$ |
7 |
Step |
After Multiplication |
\$ 40sqrt(5) \$ |
8 |
Answer |
D |
|
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