Graphing Lines Review

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

Find the slope of the line represented by the points (1, 2) and (4, 5).

Back

Slope = \frac{rise}{run} = \frac{5-2}{4-1} = \frac{3}{3} = 1

Tags

CCSS.8.EE.B.5

Front

What is the y-intercept of the line with the equation y = -2x + 4?

Back

4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Find the slope of the line using rise/run from the points (2, 3) and (5, 5).

Back

Slope = \frac{5-3}{5-2} = \frac{2}{3}

Tags

CCSS.8.EE.B.5

Front

Graph the line with the equation y = -\frac{2}{3}x + 4. What is the y-intercept?

Back

4

Front

What is the slope of the line represented by the equation y = 3x - 1?

Back

3

Tags

CCSS.8.EE.B.5

Front

If a line has a slope of -5/3, what does this indicate about the line's direction?

Back

The line is decreasing.

Tags

CCSS.8.EE.B.5

Front

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

Back

Slope = \frac{y2 - y1}{x2 - x1}

Tags

CCSS.8.EE.B.5

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal.

Tags

CCSS.8.EE.B.5

Front

What is the slope of a vertical line?

Back

Undefined.

Tags

CCSS.8.EE.B.5