Math review

Question 1

How many quarts in a gallon?

Answer 1

4

Question 2

What is a decimal fraction?

Answer 2

A fraction with a denominator that is a multiple of 10 (10, 100, 1000, etc)

Question 3

Number places follwing the decimal point are called

Answer 3

Decimal places

Question 4

2:3 = 4:6

Which numbers are the means and which are the extremes?

Answer 4

3,4 are Means. 2,6 are extremes

Means inside the ratio, extremes outside

Question 5

Two basic ways to compare numbers:

Answer 5

Subtract or Divide

Question 6

Comparison by dividing is called

Answer 6

Ratio

Question 6

Comparison by dividing is called

Answer 6

Ratio

Question 7

Know the two ways to write ratios. Eg, six to five is written as…

Answer 7

6:5 OR 6/5

Question 8

The mathmatical statement that two ratios are equal is called

Answer 8

A proportion

Question 9

The value of any number to the zero power is

Answer 9

1

Question 10

Calculating logarithms: which button for common log?

Answer 10

Logx

Question 11

Calutlating logarithms: which button for natural log?

Answer 11

lnx

Question 12

To perform a complex calculation, a calculator performs series of steps called an

Answer 12

Algorithm

Question 13

Which if the following is the chord of a circle?

Answer 13

Diameter

Question 14

The sides of an angle are

Answer 14

Rays

Question 15

The only rigid polygon is the

Answer 15

Triangle

Question 16

Remember when converting units like in3 and ft3, always

Answer 16

Cube the number you’re dividing by

Question 17

What does SOH CAH TOA mean?

Answer 17

Sin(angle)= opposite/hypotenuse
Cos(angle)=adjacent/hypotenuse
Tan(angle)=opposite/adjacent