Graphs of Linear Equations

Front

What is the slope-intercept form of a linear equation?

Back

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x. It indicates how steep the line is.

Tags

CCSS.8.EE.B.5

Front

What is the y-intercept of a linear equation?

Back

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Tags

CCSS.8.EE.B.5

Front

What is the equation of a horizontal line?

Back

Front

What is the equation of a vertical line?

Back

Front

What does it mean if two lines are parallel?

Back

Two lines are parallel if they have the same slope and will never intersect.

Tags

CCSS.8.EE.B.6

Front

What does it mean if two lines are perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1, meaning they intersect at a right angle.

Tags

CCSS.8.EE.B.6

Front

Back

Substitute the x-value into the equation to find the corresponding y-value. If the calculated y-value equals the given y, the point lies on the line.

Tags

CCSS.HSF.IF.A.1

Front

Back

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3