Question

Solve the system.

Answer 1

1. x=6 y=-9
2. x=5 y=-1
3. x=5 x=6
4. x=1 x=3

Answer 2

Answer:

Hi myself Shrushtee.

Step-by-step explanation:

Lines are concurrent when

∣

∣

∣

∣

∣

∣

∣

∣

A

1

A

2

A

3

B

1

B

2

B

3

C

1

C

2

C

3

∣

∣

∣

∣

∣

∣

∣

∣

=0

So,

∣

∣

∣

∣

∣

∣

∣

∣

3

8

2

−4

−11

−3

−13

−33

λ

∣

∣

∣

∣

∣

∣

∣

∣

=0

⇒3(−11λ−99)+4(8λ+66)−13(−24+22)=0

⇒−33λ−297+32λ+264+26=0

⇒λ=−7

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