Finding y-intercept

Front

What is the y-intercept?

Back

The y-intercept is the point where a line crosses the y-axis, which occurs when x = 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 positive y-intercept indicate about a line?

Back

A positive y-intercept indicates that the line crosses the y-axis above the origin.

Front

What does a negative y-intercept indicate about a line?

Back

A negative y-intercept indicates that the line crosses the y-axis below the origin.

Front

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

Back

If a line has a y-intercept of 0, it means the line passes through the origin (0,0).

Front

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

Back

The y-intercept is 3.

Front

What is the y-intercept of the equation y = -x - 4?

Back

The y-intercept is -4.

Front

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

Back

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

Front

What is the y-intercept of the equation y = 5?

Back

The y-intercept is 5, as the line is horizontal and crosses the y-axis at (0,5).

Front

What is the y-intercept of the equation y = -2x + 1?

Back

The y-intercept is 1.