Lesson Topics Discussion Quiz: Class Homework |
Steps-4 |
Title: System of Linear Equations with no Solutions |
Grade Lesson s5-l8 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Quiz: Discussion Step
Id | Type | Name | Note |
---|---|---|---|
1 |
Problem |
Find the value of l and m: 32l = - 8m + 11 and 48l + 12m = 17. |
|
2 |
Step |
Given equations are |
\$32l = - 8m + 11\$ \$48l + 12m = 17\$ |
3 |
Step |
Now rewrite the first equation: |
\$32l + 8m = 11\$ …….equation (1) \$48l + 12m = 17\$ …….equation (2) |
4 |
Step |
Solve for l value: |
\$l = - \cancel8^1/\cancel32^4 m + (11)/(32)\$ \$l = - 1/4 m + (11)/(32)\$ |
5 |
Step |
Substitute l value in equation (2) then simplified: |
\$ 48(- 1/4 m + (11)/(32)) + 12m = 17\$ \$- \cancel(48)^(12)/\cancel4^1 y + 11/\cancel(32)^2 \times \cancel(48)^3 + 12m = 17\$ \$ - 12m + 33/2 + 12m = 17\$ |
6 |
Step |
Move constant terms to the right side then simplification: |
\$ - 12y + 12y = 17 - (33)/2 \$ \$ 0 = (34 - 33)/2 \$ \$ 0 = 1/2 \$ |
7 |
Hint |
We get \$0 = 1/2\$. This cannot be true. |
|
8 |
Solution |
Hence, the system of equations has no solution. |
|
9 |
Sumup |
Please summarize steps |
|
Choices |
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10 |
Choice-A |
This is wrong.There cannot be infinitely many solutions since there are no solutions at all |
Wrong Finite solutions |
11 |
Choice-B |
Correctly reflects the outcome of the solution process, indicating that the system of equations does not have a solution |
Correct No solutions |
12 |
Choice-C |
This option is wrong. It means to implies that the system has a specific, finite number of solutions |
Wrong Infinite solutions |
13 |
Choice-D |
This option is wrong because it does not accurately reflect the outcome of the solution process |
Wrong None of these |
14 |
Answer |
Option |
B |
15 |
Sumup |
Please summarize choices |
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