Chapter 7

Question 1

ratio

Answer 1

the quotient when the first number is divided by the second, expressed in simplest form

Question 2

proportion

Answer 2

an equation stating that two ratios are equal

Question 3

extremes

Answer 3

first and last terms of a proportion

Question 4

means

Answer 4

middle terms of a proportion

Question 5

means-extremes property of proportions

Answer 5

when the product of the extremes are the same as the product of the means

Question 6

properties of proportions

Answer 6

1. a/b = c/d is equivalent to:
   a. ad = bc, b. a/c = b/d, c. b/a = d/c, d. a+b/b = c+d/d
2. If a/b = c/d = e/f = …, then a+c+e+…/b+d+f+… = a/b = …