Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Find the square root |
Grade: 8-b Lesson: S3-L6 |
Explanation: Hello Students, time to practice and review the steps. Let us take next 2-5 minutes to solve the steps for the problems. This is a good exercise to check your understanding of the concepts.Second student to identify and review important steps.Focus on understanding the concepts and application to solving problems step by step. |
Lesson Steps
| Steps | Problem | Solution |
|---|---|---|
1 |
Find the square root |
\$ \sqrt (-81) \$ |
2 |
After simplification we get |
\$ \sqrt(- (81) ) \$ |
3 |
Dissociating the negative number to form a positive number |
\$ \sqrt (-1) \sqrt 81 \$ |
4 |
By using the formula \$ i^2 = -1\$, Cancel square root and power |
\$ \sqrt(i^2) \sqrt 9^2 \$ |
5 |
After cancellation we get |
\$ 9i \$ |
6 |
Answer |
B = \$ 9i \$ |
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