Writing Equations of Lines

Front

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

Back

y-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Determine the slope and y-intercept from the following equation: y = 3/2x + 3.

Back

slope: 3/2, y-intercept: (0, 3)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Write the equation of the line through the points (4, 5) and (12, 9).

Back

y = 1/2x + 3

Front

Write the equation of the line with slope -2 through the point (7, -1).

Back

y = -2x + 13

Front

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

Back

slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the formula to find the slope (m) between two points (x1, y1) and (x2, y2)?

Back

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

Tags

CCSS.8.EE.B.5

Front

If the slope of a line is positive, what does that indicate about the line's direction?

Back

The line rises from left to right.

Tags

CCSS.8.EE.B.5

Front

If the slope of a line is negative, what does that indicate about the line's direction?

Back

The line falls from left to right.

Tags

CCSS.8.EE.B.5

Front

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

Back

y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you find the y-intercept from the equation y = 4x + 7?

Back

The y-intercept is (0, 7).

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3