PROPERTIES OF PROPORTIONS

If ᵃ⁄₄ = ⅔, then ⁽ᵃ ⁻ ⁴⁾⁄₄ would equal

-⅓

The value of x in the proportion ½:⅔ = ¾:x is

1

⅔ = ˣ⁄₆ = ⁹⁄ᵧ To find the value of y in this proportion you must divide 54 by

4

If 6:2 = 8:x, then

6x = 16

Given ᵇˣ⁄ₓc = ᵃᵇ⁄ₐc, then (BX + XC):XC = ?:AC. The ? is equal to which expression shown?

AB + AC

Complete the sentence. (Use only one word per blank.) An important proportion that the ancient Greeks used was the

Golden Ratio

Given ᵇˣ⁄ₓc, then ᴮˣ:ᵦₐ = ?:AC

XC

If ᵃ⁄₄ = ⁹⁄ₐ, then

a² = 36

If AX:XB as AB:AC, find the missing length. AX = 5, XB = 4, AC = 6, find AB.

¹⁵⁄₂

If ᵇˣ⁄ₓc = ᵃᵇ⁄ₐc, then ᵃᶜ⁄ₐᵦ = _____.

ˣᶜ⁄ᵦₓ

If ᵇˣ⁄ₓc = ᵃᵇ⁄ₐc, then ᵃᶜ⁄ₓc must equal _____.

ᵃᵇ⁄ᵦₓ

All of the following are equivalent proportions except

ᶜ⁄d = ᵇ⁄ₐ

If ⅔ = ˣ⁄ᵧ, then which of the following must be true?

⁽² ⁺ ³⁾⁄₃ = ⁽ˣ ⁺ ʸ⁾⁄ᵧ