Lesson Example Discussion Quiz: Class Homework |
Step-5 |
Title: Common ratio |
Grade: 9-a Lesson: S4-L3 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
The sequence 34,26,x,y,2 is an AP.Find the value of x and y. |
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2 |
Step |
Given AP: 34,26,x,y,2 . |
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3 |
Clue |
Let |
\$ a_1 = 34,a_2 = 26,\$ |
4 |
Formula: |
Common difference |
\$ d = a_2 - a_1\$ |
5 |
Hint |
Substitute \$a_1,a_2\$ values in formula |
\$d = 26 - 34 \$ |
6 |
Step |
After simplification |
\$ d = -8 \$ |
7 |
Clue |
Hence, |
\$ x = 26 - 8 \$ |
8 |
Step |
After simplification |
\$ x = 18 \$ |
9 |
Clue |
Hence, |
\$ y = 18 - 8 \$ |
10 |
Step |
After simplification |
\$ y = 10 \$ |
11 |
Step |
Hence, the values of x and y are 18 and 10, respectively. |
|
12 |
Answer |
D |
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Tutor: Questions
| Seq | Type | Question | Audio |
|---|---|---|---|
1 |
Problem |
What did you learn from this problem? |
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2 |
Clue |
What did you learn from the clues? |
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3 |
Hint |
What did you learn from the Hints? |
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4 |
Step |
What did you learn from the Steps? |
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5 |
Step |
How can we improve the Steps? |
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