Slope Inter

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

The graph represents gasoline consumption when driving a certain distance in km.  What is the meaning of the slope?

• The tank started with 50 L of gasoline

• the amount of gasoline consumed per km driven

• the distance it takes to lose a Liter of gas

• the gasoline is leaking because the slope is negative.

Interpret the slope.

• The price drops by $40 for every unit.

• The price drops by $2 for every unit.

• The price was $40 in the beginning.

• The price was $2 in the beginning.

The graph shows the candle's height (cm) as it burns (minutes).  What does the slope mean in context of the problem?

• The candle burns 1 cm every minute.

• The candle burns 2 cm every 2 minutes.

• The candle burns 2 cm every minute.

• The candle burns 1 cm every 2 minutes.

What is the slope of a line that passes through the ordered pairs (1, 8) and (3, 12)?

• 4

• 2

• -2

• 1/2

What is the equation of a line that passes through the ordered pairs (1, 8) and (3, 12)?

• y = 2x + 6

• y = 1/2x + 6

• y = 2x

• y = 2x + 4

A swimming pool had a leak. After 2 hours it had 800 gallons in it and then after 6 hours it had gone down to 600 gallons. Which equation represents this situation?

• y = - 50x + 900

• y = - 200x + 900

• y = 200x

• y = 4x

Which letter represents the y-intercept in the slope-intercept form of an equation?

• b

• m

• x

• y

Which equation has a positive slope and a negative y-intercept?

• y = - 2x + 6

• y = 0.5x + 8

• y = 4/3x - 12

• y = - 6x - 16

Which equation has a negative slope and a positive y-intercept?

• y = -2x + 1/2

• y = 4x - 4

• y = 1/2x + 5

• y = 2x