Finding Y-Intercept (11:30)

Front

What is the meaning of the y-intercept?

Back

The y-intercept is the point where a line crosses the y-axis, representing the value of y when x is 0.

Front

What is the y-intercept of the line graphed below? (Assume the graph shows a line crossing at y=4)

Back

The y-intercept is 4.

Front

What is the y-intercept in the following equation: y=-4x-5?

Back

The y-intercept is -5.

Front

What is the y-intercept in the equation y=-2x+5?

Back

The y-intercept is 5.

Front

What is the y-intercept of this graph? (Assume the graph shows a point at (0,1))

Back

The y-intercept is (0,1).

Front

How do you find the y-intercept from an equation in slope-intercept form?

Back

In slope-intercept form (y=mx+b), the y-intercept is the value of b.

Front

What does the y-intercept represent in a real-world context?

Back

It often represents the starting value or initial condition of a situation.

Front

If a line has a y-intercept of 3, what does this mean?

Back

It means that when x=0, y is equal to 3.

Front

How can you determine the y-intercept from a graph?

Back

Look for the point where the line crosses the y-axis.

Front

What is the y-intercept of the equation y=3x-2?

Back

The y-intercept is -2.