Ratios Proportions Slope

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Find the slope of the line.

• 1/2

• -1/2

• 2/1

• -2/1

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5

• 5 to 3

• 3 to 5

• 5 to 2

What is the slope of the line shown? What is the equation of the line shown? What is the meaning of the slope in the context of this problem?

• Slope: 1.2

  Equation: y = 1.2x

  1.2 miles per hour

• Slope: 6

  Equation: y = 6x

  6 miles per hour

• Slope: 12

  Equation: y = 12x

  12 miles per hour

Match the following proportional situations to their slope. m represents the slope.

• m=4

• 20 pieces of velcro are needed to hang up 5 posters. What slope could represent the unit rate for pieces of velcro per poster?

• m=26

• A swimmer swims 26 lapes each minute. What slope could represent this situation?

• m=120

• 240 bricks, y, are needed to build 2 walls, x. Which slope best represents this relationship?

• m=2

• There are 6 fights in 3 days. What slope could represent the amount of fights each day.

Tell whether or not the table shows a proportional linear relationship.  If so, tell the constant of proportionality.

• Proportional   ²/₅

• Proportional   ⁵/₂

• Proportional   5

• Not Proportional

Fill in the missing number into the ratio table

• 5

• 15

• 25

• 12

 Unit rate/slope/rate of change is found by dividing y over x.​ (a)  

• True

• False