Lesson Example Discussion Quiz: Class Homework |
Step-1 |
Title: Addition of surds |
Grade: 9-a Lesson: S3-L4 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Simplify: |
|
2 |
Hint |
144 is a perfect square of 12 |
\$ sqrt(140) + sqrt(12)^2 \$ |
3 |
Step |
Take multiples of 140 |
\$ sqrt(2^2\times35) + sqrt((12)^2) \$ |
4 |
Step |
After simplification |
\$ sqrt((2)^2)\times sqrt(35) + sqrt((12)^2)\$ |
5 |
Step |
After canceling square and squareroot |
\$ 2sqrt(35) + 12 \$ |
6 |
Answer |
A |
|
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