An __________ __________ such as n + 2 is an expression that contains variables, numbers, and at least one operation
What is an algebraic expression
200
3x + 0 = 3x
What is identity (+)
200
-8(a+b)
What is -8a -8b
200
(-3x-7)+(-6x+9)
What is -9x+16
300
GCF of 32x and 48xy
What is 16x
300
The branch of Mathematics that involves expressions with variables is called ______-
What is algebra
300
45x • 1 = 45x
What is identity (x)
300
(2b+8)5
What is 10b +40
300
2(x+14)+(2x-14)
What is 4x+14
400
(a+b) + c = a + (b +c)
What is Associative (+)
400
the numerical factor of a multiplication expression that contains a variable
What is the coefficient
400
simplify and justify using properties: 3c + (8 +4c)
What is commutative (+) and associative (+)
400
You are ordering T-shirts with our mascot printed on them. Each T-shirt costs $4.75. The printer charges a set up fee of $30 and $2.50 to print each shirt. Write an expression to represent the total cost of printing x amount of T-shirts.
What is x(4.75+2.50) + 30 OR 7.25n + 30
400
A rectangle has side lengths (2x-5) meters and (2x+6) meters. Write an expression that shows the perimeter of the rectangle.
What is (8x+2)
500
2(4x-7) + 3(6x-5)
What is 26x - 29
500
what is done to a variable that represents an unknown quantity
What is define
500
T or F: Division of whole numbers is commutative. If false, prove with a counter example.
What is False, ex: 3/15 does not equal 15/3
500
Write an algebraic expression with the variable x that has a value of 3 when evaluated.