Writing Linear Equations from Graphs

Front

What is the equation of a line with a slope of 2 and a y-intercept of 3?

Back

y = 2x + 3

Front

What does 'm' represent in the equation y=mx+b?

Back

m represents the slope of the line.

Front

What does 'b' represent in the equation y=mx+b?

Back

b represents the y-intercept of the line.

Front

What is the slope of the line represented by the equation y = -3x + 1?

Back

The slope is -3.

Front

How do you identify a vertical line from its equation?

Back

A vertical line has an equation of the form x = a, where 'a' is a constant.

Front

How do you identify a horizontal line from its equation?

Back

A horizontal line has an equation of the form y = b, where 'b' is a constant.

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Front

If a line passes through the points (1, 2) and (3, 6), what is the slope?

Back

The slope is 2.

Front

What is the equation of a line that is vertical and passes through the point (4, 5)?

Back

The equation is x = 4.