Graphing Lines Review

Front

What is the equation of a line with a slope of -8 and a y-intercept of 2?

Back

y = -8x + 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does a zero slope indicate about a line?

Back

A zero slope indicates that the line is horizontal.

Tags

CCSS.8.EE.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

What is the equation of a line with a slope of 2 and a y-intercept of 0?

Back

y = 2x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does it mean for two lines to be parallel?

Back

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

Tags

CCSS.8.EE.B.5

Front

What is the slope of the line represented by the equation y = 3/2x + 4?

Back

The slope is 3/2.

Tags

CCSS.8.EE.B.5

Front

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

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

What is the slope-intercept form of a line?

Back

The slope-intercept form 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 -2, what is the slope of a line parallel to it?

Back

The slope of a parallel line is also -2.

Tags

CCSS.8.EE.B.5

Front

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

Back

The y-intercept is (0, 3).

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3