Proportions or Means Situations

• 4

• 14

• 8

• 10

• 6

• 12

• 18

• 9

• 14.5

• 12

• 18

• 13.5

• 44

• 12

• 50

• 48

The relationship between two quantities where one quantity is a constant multiple of the other quantity.

• Proportional relationship

• Linear relationship

• Inversely proportional

• Direct relationship

Which of the following situations is proportional?

• The cost of purchasing a basket of cherries for $1.75 per pound plus $3.00 for the basket.

• The cost of purchasing a box of bakery cookies for $9.00 per box.

• The cost of purchasing school t-shirts for a one-time processing fee of $14 and a price of $8 per shirt.

• The cost of a video game subscription that charges $2 per video game and a $15 membership fee.

when two quantities always have the same size in relation to each other

• Intersecting Lines

• Origin

• Proportional Relationships

• Slope

• Yes

• No

Write how to find the proportion of

2:8 :: 25:625

(Do not give space first right the means than the extremes.)

Mathematical Equivalence

ON

Determine if the following pairs of quantities are proportional: (2, 3), (4, 6), (6, 9).

• Yes

• No