What does PEMDAS stand for?
Parentheses
Exponents
Multiplication and Division
Addition and Subtraction
What is (+9) x (-8)=
-72
3 + 42 x (3 + 2)
What is 95?
2.5x = -60
What is -24
7+9(2x-3)
What is 18x-20?
12s + 27 = 171
What is 12 ?
Name 3 ways to solve systems of equations.
Graphing
Substitution
Elimination (Adding)
Also known as the ANSWER to a problem or equation.
SOLUTION
What is (-100) + (+25)=
-75
Simplify the following expression:

What is 62?
x - 5 = 44
What is x = 49
8(4+2) = ?
What is 48?
2k + 5 = 17
What is 6 ?
Y = 3
X - Y = 8
(11,3)
When you add together terms with the same variable and the same exponent.
Example: 3x + 4x
COMBINE LIKE TERMS
What is (-224) - (-25)=
-199
Simplify the following expression:
5 + 21 x 2 ÷ 7
What is 11?
-0.3m = -12
What is 40?
5(x-3)
What is 5x-15?
5m - 7 = 23
What is 6?
Y = X+1
Y = 2x - 3
What is the solution to the system of equations?
(Hint, you can use graphing calculator, or substitution easily.)
(4, 5)
What do you call it when you show all the answers to an equation on an (x,y) coordinate plane?
GRAPH
What is (-56)/(+8)=
-7

What is 45?
x - (-3) = 5
What is 2
-3(-x-10)
What is 3x+30?
19b + 314 = 1663
What is 71 ?
x + y =10
Y = 4x
What is the solution to the system of equations?
Hint: Use substitution and solve.
(2, 8)
Multiply or divide with all parts inside parentheses.
For example 5 (x + 3)
DISTRIBUTIVE PROPERTY
What are positive and negative numbers called?
Integers

What is 30?
x/9 = 7
What is 63?
x + 10 -6(x-3x) +4
What is 13x+14?
17x +23 =714
What is 42 ?
2x + 3y = 7
-2x -2y = - 6
Solve the system. Hint: Use ELIMINATION (adding).
( 2 , 1)