Interpreting Slope and Intercepts from Graphs

What is the slope?

• $2/1 mile drive

• $1/2 miles driven

• 2 miles driven/$1 

• 1 mile driven/$2

Which statement matches the graph?

• 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.

The table represents a used car salesman's monthly salary including commission made on the sale of cars.  What is the y-intercept and what does it represent?

• The y-intercept is $850/car and it represents the commission per car sold.

• The y-intercept is $1500/car and it represents the commission per car sold.

• The y-intercept is $1500 and it represents the monthly salary before commission.

• The y-intercept is $2775 and it represents the monthly salary before commission.

i

h

g

a

f

e

18 months

(1, 15)

(5, 27)

(6,30)

(0, 13)

15/5

16 months

3

The slope is ​ ​ (a)   , and the y-intercept is ​ (b)   . The graph represents a ​ (c)   relationship.

• positive

• 4

• non-proportional

• negative

• proportional

• 0

• 2

• -4

The slope is ​ ​ ​ (a)   , and the y-intercept is ​ ​ (b)   . The graph represents a ​ (c)   relationship.

• negative

• 0

• proportional

• positive

• non-proportional

• 1

• -1

• 2

The slope is ​ ​ (a)   , and the y-intercept is ​ ​ (b)   . The graph represents a ​ (c)   relationship.

• positive

• 65

• non-proportional

• negative

• proportional

• 50

• 0

• 45

What is the slope?

• $2/1 mile drive

• $1/2 miles driven

• 2 miles driven/$1 

• 1 mile driven/$2

slope: ​ (a)   x-intercept:​ (b)   y-intercept: ​ (c)  

• 3

• -1.5

• 4

• 1/3