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algol [13]
3 years ago
8

Find the slope of the line whose equation is 9x + 5y = 1. -9/5 -5/9 1/5

Mathematics
2 answers:
Sedaia [141]3 years ago
8 0
The correct answer is -9/5
Hope this helped :)
zubka84 [21]3 years ago
6 0

Answer:

-9/5

Step-by-step explanation:

The usual formula of a line is  y = mx + b, where m is the slope and b is the y-intercept.

Knowing this, we need to convert our equation into that form to find our m.

9x + 5y = 1

We subtract 9x on both sides:

9x + 5y - 9x = -9x + 1

5y = -9x + 1

Now we multiply by 1/5 on both sides:

5y * 1/5 = (-9x + 1) * 1/5

y = -9/5x + 1/5

Therefore, the slope of the line is m = -9/5

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