Question

pls answer pls pls pls l want the ans of 2 question ​

Answer 1

Answer:

a=-1

Step-by-step explanation:

We have point (4,-2)

x=4

y=-2

Put it in equation

5(4)+a(-2)=22

20-2a=22

2a=20-22

2a=-2

a=-2/2

a=-1

Answer 2

Step-by-step explanation:

It is very easy

We have give point

Now we only do two thing first follow me

And second put x=4 and y = - 2 and get value of a