Y=mx+b

Front

What does the equation y=mx+b represent?

Back

It represents the equation of a straight line in slope-intercept form, where m is the slope and b is the y-intercept.

Front

In the equation y=mx+b, what does 'm' represent?

Back

The slope of the line, indicating how steep the line is.

Front

In the equation y=mx+b, what does 'b' represent?

Back

The y-intercept, which is the point where the line crosses the y-axis.

Front

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

Back

Set x to 0 and solve for y.

Front

What is the slope of the line represented by the equation y=2x+3?

Back

The slope is 2.

Front

What is the y-intercept of the equation y=-4x+1?

Back

The y-intercept is (0, 1).

Front

Which of the following equations has a positive slope: y=2x+1 or y=-2x+1?

Back

y=2x+1 has a positive slope.

Front

Which of the following equations has a negative slope: y=3x-2 or y=3x+2?

Back

Both have a positive slope; none has a negative slope.

Front

If the slope of a line is 0, what does that indicate about the line?

Back

The line is horizontal.

Front

If the slope of a line is undefined, what does that indicate about the line?

Back

The line is vertical.