GRE Quantitative Study Guide 2, * BEST*
GRE Math Combo 2, GRE Math, GRE Math
2, GRE Math 3, GRE Math 4
What are digits? - Numbers the make up other numbers
(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
What are integers? - Counting numbers
Are fractions integers? - No
Can integers be even or odd? - Yes
Is zero positive or negative - It's neither
Is zero even or odd? - Even
Can you divide a number by 0? - No
What are consecutive integers? - Numbers listed in order (increasing or
decreasing). Can count by 1s, 2, 3s, etc.
,GRE Quantitative Study Guide 2, * BEST*
GRE Math Combo 2, GRE Math, GRE Math
2, GRE Math 3, GRE Math 4
What is the absolute value of a number equal to? - The number's distance away
from) on the number line.
Can the absolute value of a number be negative? - No, it's always positive.
|-5| = 5 and |5| = 5
How many factors does a prime number have? - Only 2 factors, 1 and itself
Are 0 and 1 prime numbers? - No
Are there any even prime numbers? - Yes, the number 2
Can negative numbers be prime? - No, prime numbers are only positive
What is the quotient? - The result of division
What is the product? - The result of multiplication
,GRE Quantitative Study Guide 2, * BEST*
GRE Math Combo 2, GRE Math, GRE Math
2, GRE Math 3, GRE Math 4
What are the orders of operation? - PEMDAS
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
Distributive Property: a(b+c) is the same as... - ab + ac
Distributive Property: a(b-c) is the same as... - ab - ac
Exponent Rule: a2 is the same as... - a x a
Exponent Rule: a2·a3 is the same as... - a2+3 = a5
Exponent Rule: (a2)3 is the same as... - a2·3 = a6
Exponent and Cube Root Rule: - 3√a12 = (a12)1/3 = a 12/1 x 1/3 = a12/3 = a4
Exponent Rule: a6/a2 is the same as... - a6-2 = a4
, GRE Quantitative Study Guide 2, * BEST*
GRE Math Combo 2, GRE Math, GRE Math
2, GRE Math 3, GRE Math 4
A number raised to the first power (10001) is always _________. - The number
itself (10001 = 1000)
What is 00? - Undefined
What is a number raised to the power 0 (10000)? - 1 no matter what the number
is
(10000 = 1)
What happens to a number raised to a negative power? 2-2 - It becomes 1 over
the number raised to a positive power
(2-2 = 1/22 = 1/4)
Does a negative number raised to an odd power become negative or positive? (-
23) - It stays negative
-23 = -8
Does a negative number raised to an even power become negative or positive? (-
22) - It becomes positive
