Graphing Linear Equations

Front

What is the x-axis of a graph also known as?

Back

The x-axis is also known as the horizontal axis.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

What is the y-intercept of a line?

Back

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

Front

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

Back

In the equation y = mx + b, 'b' represents the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you determine the slope of a line from its equation?

Back

The slope of a line can be determined from its equation in slope-intercept form (y = mx + b) as the coefficient 'm'.

Tags

CCSS.8.EE.B.5

Front

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

Back

The slope of the line is 2.

Tags

CCSS.8.EE.B.5

Front

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

Back

The slope-intercept form of a linear equation is y = mx + b, where 'm' is the slope and 'b' is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

If a line has a slope of -1, what does this indicate about its direction?

Back

A slope of -1 indicates that the line descends from left to right.

Tags

CCSS.8.EE.B.5

Front

What does it mean if two lines are parallel in terms of their slopes?

Back

If two lines are parallel, they have the same slope.

Tags

CCSS.8.EE.B.6

Front

What is the y-intercept of the equation y = -3x + 7?

Back

The y-intercept of the equation y = -3x + 7 is 7.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How can you find the x-intercept of a linear equation?

Back

To find the x-intercept, set y = 0 in the equation and solve for x.