Memorization - Quant Flashcards
(38 cards)
Root(3) is approximately
1.7
Root(2) is approximately
1.4
What is the work order for geometry problems?
- Snapshot ballpark
- identify target and given
- compare: how many times one fits onto another - Eliminate answers
- Proceed to finer POE or direct calculation
What are the stop signs for reverse plugging in?
- Invisible variable in question
- Specific amount question (how much, how long)
- Numbers in answer choice
Is 0 positive or negative?
Neither
What is a bisector?
Line that cuts an angle in half
Rule of divisibility: 2
IF last digit is even
Rule of divisibility: 3
IF sum of all digits is divisble by 3
Rule of divisibility: 4
If last 2 digit number is divisible by 4
Rule of divisibility: 6
IF divisible by 2 and 3
Check both rules
Rule of divisibility: 7
- Multiply hundreds number by 2
- Add remaining 2 digit number
- IF result is divisible by 7
Rule of divisibility: 8
IF last 3 digits divisible b 8
Rule of divisibility: 11
IF sum of odd digits - sum of even digits is divisible by 11
x^0 ?
1
0^x ?
0
Odd +- odd =
even
even * even =
even
even * odd =
even
even +- odd =
odd
odd * odd =
odd
even +- even =
even
What is DOZEN F?
Different one zero equal negative fractions
Percent change =
(difference/original) *100
Variance =
Square of STDEV