If f(x) = 4x + 12 is graphed on a coordinate plane, what is the y-intercept of the graph?

Solution:

An intercept is a point when a line crosses an axis.

It is where one of the coordinates is equal to zero

When it crosses x axis, y coordinate is zero

When it crosses y axis, x coordinate is zero

We can find the y-intercept by taking x = 0

y = 4x + 12

Substituting the values

y = 4(0) + 12

So we get

y = 12

Therefore, the y-intercept of the graph is (0, 12).

If f(x) = 4x + 12 is graphed on a coordinate plane, what is the y-intercept of the graph?

Summary:

If f(x) = 4x + 12 is graphed on a coordinate plane, the y-intercept of the graph is (0, 12).