Slope Jeopardy

Slope Formula(y2-y1)/(x2-x1)

100

Find the slope of the line containing the points (2, 5) and (7,9)

 Slope : 4/5

200

Find the slope of the line containing the points (2, 5) and (3,6)

Slope:  1

300

Find the slope of the line containing the points (3, 5) and (7,5)

Slope:  0

400

Find the slope of the line containing the points (-2, 5) and (4, 7)

Slope:  1/3

500

Find the slope of the line containing the points (3, 7) and (5,2)

Slope:  -5/2

Slope Vocabulary

100

Define Slope

Constant rate of change;  rise over run

200

Define y-intercept

The point where the line crosses the y-axis:  where the y-axis INTERCEPTS the line

300

What does a PROPORTIONAL graph mean?

That the line runs through the origin; cross the middle at (0,0)

400

How do you find the slope of line?

Slope formula (y2-y1)/(x2-x1); rise over run, y/x

500

What type of slope is defined by a horizontal line? 

Zero 

Writing Equations

100

Write an equation for a line with slope 2 and y-intercept of 0.

y = 2x

200

Write an equation for a line with slope 1.9 and y-intercept of 2.4

y = 1.9x + 2.4

300

Write an equation for the line:

m = 5

b = 13

y = 5x + 13

400

Write an equation for the line:

m = 6

b = -2

y = 6x - 2

500

Write me any proportional equation.

y = x (any number)

Identifying Slope & Y-Intercept

100

Identify the slope and y-intercept of the following line:

y = 4x - 6

Slope = 4

Y-Intercept =  -6

200

Identify the slope and y-intercept of the following line:

y = 9x

Slope = 9

Y-Intercept = 0

300

Identify the slope and y-intercept of the following line:

y = -1/2x + 2

Slope: -1/2

Y-Intercept: 2

400

Will the slope of the following equation be positive or negative?

y = 5x + 2

Positive

500

Will the line of the following equation be proportional or non-proportional?

y = 4x + 2

Non-Proportional because of the y-intercept