Integers & Order of Operations
What does PEMDAS stand for?
Parenthesis, Exponets, Multiply OR Divide, Add OR Subtract
Provide an example of like terms
Examples:
3x 5x
2y 5y
10y 2y
x − 2 = 4
x = 6
What are the two parts of a fraction?
Numerator and Denominator
What is a square root?
A factor of a number that when multiplied by itself gives a different number
7 + (6 × 52 + 3)
322
Combine: 10x +8y + 24x + 35y
34x+43y
What is the main difference between an equation and an expression?
Expressions don't have an equal sign
Solve and simplify:
2/3 + 4/3
2
What are the first Five perfect squares?
1, 4, 9, 16, 25
What are Integers?
Integers are Whole Numbers that can be positive, negative, or zero.
Combine: 5x + 3x + 2xy
8x + 2xy
3y-7=26
y=11
Solve and simplify:
7/9 - 2/3
1/9
2√3 × 5√2
10√6
What are Irrational Numbers?
Irrational numbers are numbers that cannot be expressed in fractions or ratios of integers.
Distribute: 2x2(2x+3x2)
4x3+6x4
12x - 11 = 7x + 9
x=4
Solve and simplify:
3/4 ÷ 7/8
6/7
√9 x √4 x √16 + √25
29
10 ÷ (3 +2) × 4 + 52 + 6 -9
57
2(3x(2x+4) - 12x + 2x3)
12x2+ 4x3
(7 - 2y)(5 + y) = 0
y = 3 1/2 , y = -5
What is an improper fraction? Provide an example.
A fraction in which the numerator is greater than the denominator, such as 5/4
8√14 ÷ 4√2
2√7