Geometric Mean and Proportions
Interactive Video
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
Michele Bowers
Used 1+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a proportion?
A ratio multiplied by itself.
A ratio equal to another ratio.
The product of two numbers.
A fraction with a variable.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is another name for the method of solving equations by cross-multiplying across an equal sign?
The Cross-Multiplication Theorem
The Geometric Mean Property
The Means Extremes Property
The Diagonal Product Rule
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the geometric mean of 9 and 16?
12
144
25
7.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shortcut formula for finding the geometric mean (x) of two numbers (a and b)?
x = (a + b) / 2
x = a * b
x = sqrt(a * b)
x = a^2 + b^2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the geometric mean between 3 and 33.
66
18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the geometric mean between 2 and 6.
4
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the geometric mean between 15 and 16.
60
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