Vocabulary
Perfect Square
A number who's square root is a whole number.
a+(b+c)=(a+b)+c
Associative property
Rational Number
A number that can be written in the form a/b, where a and b are integers and b doesn't equal zero
If a and b are positive real numbers, then a - b is positive.
False, any example where b>a
Counter Example
Something you give to disprove (call false) a statement
a x b = b x a
Commutative property
Integers
Any number that can not be written as a fraction or a decimal
Find the mean (average) of all natural numbers smaller than 12
6
What are the two parts of a conditional statement?
Hypothesis
Conclusion
a(b+c)=ab+ac
Distributive Property
Can not be written in the form a/b
Irrational number
Approximate the square root of 350
19
Like terms
Terms that have the same variable raised to the same power. They can be added together
Addition Identity Property
a+0=0+a=a
Real Numbers
All Rational and Irrational Numbers
What is the mean of a number and 3 times it's opposite?
-x
Radicand.
Hint: you use it to calculate the square root ;)
It's the number in the square root!
Multiplication Inverse Property
a x (1/a) = 1
Write the set of all whole numbers less than 4
S:{0,1,2,3}
A triangular pyramid has a surface area of 100 cm sq
What is the area of one face?