Named Inequalities flashcards

8 practice cards drawn from the Named Inequalities lessons. Tap a card to turn it over. Every answer is checked against the lesson it came from.

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Do these three lengths close into a triangle?

no, the two shorter sides add up to at most the longest

from “The Triangle Inequality”

Two sides of a triangle are 8 and 11. What is the largest whole number the third side could be?

18

from “The Triangle Inequality”

Take a = 49 and b = 1. Which is the arithmetic mean?

25

from “The Arithmetic Mean–Geometric Mean Inequality”

Take a = 4 and b = 1. Which is the arithmetic mean?

2.5

from “The Arithmetic Mean–Geometric Mean Inequality”

Two vectors have lengths 2 and 3. What is the largest possible size of their dot product?

6

from “The Cauchy–Schwarz Inequality”

Two vectors have lengths 5 and 4. What is the largest possible size of their dot product?

20

from “The Cauchy–Schwarz Inequality”

Which of these grows fastest as n gets large?

2ⁿ

from “Polynomial, Exponential and Logarithmic Growth”

Why does raising the power in nᵏ not save it against 2ⁿ?

it only delays the crossing

from “Polynomial, Exponential and Logarithmic Growth”

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