Question

Q9. the point (-1,5) lies on the graph of the equation 3y =ax + 7. Find the value of a​

Answer 1

here, x= -1 and y= 5

now putting these values in 3y = ax+7

3(5)=a(-1)+7

15= -a+7

a=7-15

a=8

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Answer 2

Hey User,.

GIVEN-(-1,5) Lies on the Graph.

So,

x=-1

Y=5.

Now,

Putting the Value of x and Y.

To Find-The Value of "a".

Equation--

3y=ax+7

3(5)=a(-1)+7

15=-a+7

-8=-a

a=8.

The Value of a is 8.

SOME USEFUL INFORMATION

• (+,+) Lies in 1st quadrant.
• (-,+) Lies in 2nd quadrant.
• (-,-) Lies in 3rd quadrant.
• (+,-) Lies in 4th quadrant.

Thank You!