The Distributive Property
3(–2x + 2)
-6x + 6
Combine like terms:
6n + 3n - 5m + 12 + 9m
4m+9n+12
Name 3 words that tell you the operation is addition
sum, plus, together, added to, total of, combined, both, altogether
x = 4
2(x +6)
20
A number multiplied by a variable in an algebraic expression.
Coefficient
–2(x + 1)
-2x - 2
Combine like terms:
-8a - 3a + 15b + 9b + 6
-11a + 24b + 6
Name 3 words that tell the operation in an expression is subtraction
difference, minus, take away, fewer than, less than, decreased by, left, how many more
x=2
X2 - (2x +3)
-3
The letter in an expression that stands for an unknown number
Variable
–4(–5x + 9)
20x - 36
Combine like terms:
4x - 3x + 2x + 12 - 19
3x - 7
Translate this word phrase into a number sentence:
The product of 8 and x plus 9
8x +9
x=-2
(3x + 12) + 4x
-2
The term in an expression without a variable is called a...
Constant
x(2x+2)
x2 +2x
Combine like terms:
2c - 3d - 5c + 4d + 8
-3c + d + 8
Add the expressions ...
Write a word phrase that describes this expression (you must use the word quotient)
8/x - 4
4 less than the quotient of 8 and x
x=2.
(-9x - 9) - (2x - 1)
-30
What are the 3 major parts of an expression?
Variable terms, operants, constant terms
x ( 3x + -2)
3x2+-2x
Combine like terms:
12m - 19x - 3m + 19x + 12 - 18
9m - 6
What are the FIT words and what do they do?
They reverse the order of the number expression
x=2
(x + 8) - (-3x - 4)
20
What is the number being multiplied by the variable called?