Vocab
Has an equal Sign
Equation
The sum of 4 and x
4+x
Which variable is "in control"?
Independent Variable
What does the commutative property allow us to do when adding or multiplying?
"change" the order
Evaluate: 6 + 2(4-2)
10
The answer to a multiplication problem
product
The quotient of a number and -11
n/-11
Which variable is the y-coordinate?
dependent variable
Which property is used? x(y+z) = xy + xz
Distributive Property
Name the order of operations by name. Include what is special about multiply/divide and add/subtract
Parentheses
Exponents
Multiply/Divide (FROM LEFT TO RIGHT)
Add/Subtract (FROM LEFT TO RIGHT)
A number all by itself
constant
9 less than the product of 4 and x
4x-9
Irritability level versus amount of sleep. Which one is independent?
amount of sleep
Which property is used? a+o = a
identity of addition
Evaluate: 3+4(10 - 32) -2
5
The number in front of a variable when they are being multiplied
Coefficient
Twice the sum of x and y, decreased by y
2(x+y) - y
Speed of the car versus the braking distance (how long it takes you to stop after hitting the brakes) of your car. Which one is DEPENDENT?
Braking distance
Which property? abc = a(bc)
Associative Property of mulitplication
4
Simplify means what 2 things (IN THE CORRECT ORDER)?
1- Distribute
2- Combine Like Terms
The product of two and the cube of m, plus the difference of n squared and three times n
2m3+ (n2-3n)
Speed of the car versus the braking distance (how long it takes you to stop after hitting the brakes) of your car. What type of correlation?
Positive
Simplify: 3(4x + 7y -3x) -2x
x + 21y
Evaluate if a = 3, b = 6, c = 9
3a - 2b + 6c
51