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Leia Rosales
Mathematics
8 December, 14:47
What is the y-intercept - x+5y=45
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Kasey Owens
8 December, 15:13
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To find the y-intercept, we can convert this to slope-intercept form, or replace the value of x with 0 and solve for y.
We'll do both first.
-x + 5y = 45
5y = 45
Divide both sides by 5.
y = 9
Now let's convert it to slope-intercept.
-x + 5y = 45
Add x to both sides.
5y = 45 + x
Divide both sides by 5.
y = 1/5x + 9
y = 9
The y-intercept of our line is 9.
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