Unit 1
the distance around a polygon
perimeter
a + 0 = a
Additive Identity
what set of numbers are represented by
(...,-2,-1,0,1,2,.....)
integers
Division by zero is?
Undefined
a(b + c) = ab + ac
Distributive Property
the answer to a multiplication problem
product
1a = a
Multiplicative Identity
what set of numbers does pi belong to
irrational numbers
Like terms must have what two things?
Same base & Same powers
ab = ba
Commutative Prop (x)
the answer to an addition problem
sum
a * 0 = 0
Multiplication property of zero
3x + 10 = 3x + 10 is an example of what type of an equation?
Identity or an equation with infinitely many solutions
in the expressions 5x2 the 5 is named what?
coefficient
a + (b + c) = (a + b) + c
associative prop (+)
the answer to a division problem
quotient
For any numbers a, b, and c, if a = b and b = c, then a = c.
Transitive property
what type of numbers are represented by
(....,-1,-1/2,0,1/2,1,....)
rational numbers
In the expression 3x2 the 2 is called what?
Exponent or power
Associative prop (x)
the answer to a subtraction problem
difference
For every number a/b, where a, b, cannot equal 0. There is exactly one number b/a such that a/b * b/a = 1
Example: 2/3 * 3/2 = 1
Multiplicative inverse property
2x + 4 = 2x - 8 is an example of what type of equation?
An equation with no solution.
Simplify 7x + 5 + 3x + 4
10x + 9
a + b = b + a