Finding y-intercept

Front

What is the y-intercept?

Back

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

Front

How do you find the y-intercept from a linear equation?

Back

To find the y-intercept from a linear equation in the form y = mx + b, the y-intercept is the value of b.

Front

What does a negative y-intercept indicate?

Back

A negative y-intercept indicates that the line crosses the y-axis below the origin (0,0).

Front

What does a positive y-intercept indicate?

Back

A positive y-intercept indicates that the line crosses the y-axis above the origin (0,0).

Front

If a line has a y-intercept of -2, what does this mean?

Back

It means that the line crosses the y-axis at the point (0, -2).

Front

What is the y-intercept of the line represented by the equation y = 3x - 4?

Back

The y-intercept is -4, which is the value of y when x = 0.

Front

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

Back

You can determine the y-intercept by locating the point where the line intersects the y-axis.

Front

What is the y-intercept of the line represented by the equation y = -2x + 5?

Back

The y-intercept is 5, which is the value of y when x = 0.

Front

If a line has a y-intercept of 0, what does this indicate?

Back

It indicates that the line passes through the origin (0,0).

Front

What is the significance of the y-intercept in real-world applications?

Back

The y-intercept can represent the starting value in a situation, such as initial cost or starting population.