86.2k views
19 votes
Y-intercept:8x +9y=40

User Xargr
by
8.0k points

2 Answers

3 votes

Answer:

y-intercept or "b"= 40/9 or 4.4444

Explanation:

To do this, we use the formula y = mx +b

m= slope

b = y intercept

The equation we are given is 8x +9y = 40.

First, we need to subtract 8x from both sides to isolate the y variable to one side:

8x +9y = 40

9y = -8x + 40

Now, we need to divide both sides by 9, to solve for "y". This will give use the format of y = mx +b.

9y = -8x +40

y = -8/9x + 40/9

Because 40/9 cannot be reduced (besides 4.44), it will be our "b" or y intercept.

y-intercept = 40/9

I hope this helps!

-TheBusinessMan

User Roman Podymov
by
7.5k points
3 votes

Answer:

40/9

Explanation:

9y = -8x + 40

y = -8/9x + 40/9

User Jens Munk
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories