find y intercept

Front

What is the y-intercept?

Back

The y-intercept is the point where a line crosses the y-axis, represented as (0, y).

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 the y-intercept represent in a graph?

Back

The y-intercept represents the value of y when x is 0.

Front

If a line has a y-intercept of (0, 5), what does this mean?

Back

It means that when x = 0, the value of y is 5.

Front

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

Back

The y-intercept is (0, 3).

Front

What is the y-intercept of the equation y = -4x + 2?

Back

The y-intercept is (0, 2).

Front

How can you determine if a slope is positive or negative?

Back

If the line rises from left to right, the slope is positive; if it falls, the slope is negative.

Front

What is the slope of the line if the y-intercept is (0, 3) and another point is (2, 7)?

Back

The slope is 2, calculated as (7-3)/(2-0).

Front

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

Back

The y-intercept is (0, -1).

Front

If a line crosses the y-axis at (0, -3), what is the y-intercept?

Back

The y-intercept is -3.