Math review Flashcards
How many quarts in a gallon?
4
What is a decimal fraction?
A fraction with a denominator that is a multiple of 10 (10, 100, 1000, etc)
Number places follwing the decimal point are called
Decimal places
2:3 = 4:6
Which numbers are the means and which are the extremes?
3,4 are Means. 2,6 are extremes
Means inside the ratio, extremes outside
Two basic ways to compare numbers:
Subtract or Divide
Comparison by dividing is called
Ratio
Comparison by dividing is called
Ratio
Know the two ways to write ratios. Eg, six to five is written as…
6:5 OR 6/5
The mathmatical statement that two ratios are equal is called
A proportion
The value of any number to the zero power is
1
Calculating logarithms: which button for common log?
Logx
Calutlating logarithms: which button for natural log?
lnx
To perform a complex calculation, a calculator performs series of steps called an
Algorithm
Which if the following is the chord of a circle?
Diameter
The sides of an angle are
Rays
The only rigid polygon is the
Triangle
Remember when converting units like in3 and ft3, always
Cube the number you’re dividing by
What does SOH CAH TOA mean?
Sin(angle)= opposite/hypotenuse
Cos(angle)=adjacent/hypotenuse
Tan(angle)=opposite/adjacent
