How do you find the intercepts for xy=1?

1 Answer
Jun 23, 2015

The x intercept is 1
The y intercept is (-1)

Explanation:

The value of the x-intercept is the value of x when y=0.
Stated another way, it is the value of x where the line of the equation crosses the x-axis (and all points on the x-axis have y=0).
To find the x-intercept, set any occurrences of y to 0 and solve for x
XXXXxy=1
becomes
XXXXx0=1
or
XXXXx=1

Similarly the value of the y-intercept is the value of y when x=0.
To find the y-intercept, set any occurrences of x to 0 and solve for y.