Slope & Slope-Intercept

Front

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

Back

m represents the slope of the line.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

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

Back

m = \frac{(y_2 - y_1)}{(x_2 - x_1)}.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a line that rises 2 units for every 4 units it runs?

Back

The slope is \frac{2}{4} = \frac{1}{2}.

Tags

CCSS.8.EE.B.5

Front

In the slope-intercept form of a linear equation, what does the b represent?

Back

b represents the y-intercept of the line.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the slope in the equation y=3x + 5?

Back

The slope is 3.

Tags

CCSS.8.EE.B.5

Front

Write the slope-intercept form of a line with a slope of -2 and a y-intercept of 4.

Back

y = -2x + 4.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the y-intercept of the equation y = 5x - 3?

Back

The y-intercept is -3.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

If a line has a slope of 0, what does this indicate about the line?

Back

The line is horizontal.

Tags

CCSS.8.EE.B.5

Front

If a line has an undefined slope, what does this indicate about the line?

Back

The line is vertical.

Tags

CCSS.8.EE.B.5

Front

Calculate the slope of the line between the points (1, 2) and (3, 6).

Back

The slope is \frac{(6 - 2)}{(3 - 1)} = \frac{4}{2} = 2.

Tags

CCSS.8.EE.B.5