Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
positive
|
numbers to the right of zero
|
|
|
negative
|
numbers to the left of zero
|
|
|
signed numbers
|
all numbers, either pos or neg
|
|
|
for any number a, one of only what three things is true
|
1. a is negative
2. a=0 3. a is positive |
|
|
Is 0 positive or negative?
|
It is neither.
|
|
|
When /a/ (absolute value) how many values does a have?
|
It is equal to one number - the distance away from zero on the number line, but it has two potential values inside the ab. value sign.
|
|
|
What are opposites on the number line?
|
two numbers with the same absolute value but different signs
|
|
|
What is the only number that is equal to its opposite?
|
0
|
|
|
What number will you never divide by on the GRE?
|
0
|
|
|
0XA=
|
0
|
|
|
If the product of two numbers equals zero, at least one of them must be...
|
0
|
|
|
If ab=O
|
a=0 or b=0 or both
|
|
|
Is 0 prime?
|
no
|
|
|
Is 1 prime?
|
no
|
|
|
The quotient of two positive numbers is?
|
positive
|
|
|
The quotient of two negative numbers is?
|
positive
|
|
|
The product or the quotient of a negative number and a positive number is?
|
negative
|
|
|
The product of an even number of negative factors is...
|
positive
|
|
|
the product of an odd number of negative factors is...
|
negative
|
|
|
What is the reciprocal of any nonzero number, a?
|
1/a
|
|
|
The product of any number and its reciprocal is?
|
1
A X 1/A = 1 |
|
|
The sum of two positive numbers is...
|
positive
|
|
|
The sum of two negative numbers is...
|
negative
|
|
|
The sum of any number and its opposite is...
|
0
|
|
|
Dividing by a number is the same as...
|
multiplying by its reciprocal
|
