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How do you find the x and y intercepts for #3x+9y=9#?

Answer 1

Ethan Adkins

y-intercept #y=1#
x-intercept #x=3#

#3x+9y=9#

y-intercept

To find y-intercept, put #x=0#

At #x=0; 3(0)+9y=9#

At #y=9/9=1#

x-intercept

To find y-intercept, put #y=0#

At #y=0; 3x+9(0)=9#

At #x=9/3=3#

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Answer 2

Avery Alexander

To find the x-intercept, set y to 0 and solve for x. To find the y-intercept, set x to 0 and solve for y.

For the equation 3x + 9y = 9:

To find the x-intercept: 3x + 9(0) = 9 3x = 9 x = 3

So, the x-intercept is (3, 0).

To find the y-intercept: 3(0) + 9y = 9 9y = 9 y = 1

So, the y-intercept is (0, 1).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.