Exponents
Rewrite in expanded form: 4^7
4 x 4 x 4 x 4 x 4 x 4 x 4
x + x + x + x
4x
Phrase --> Expression
The sum of a and 4
a + 4
A letter that represents an unknown quantity
variable
evaluate: h + 4
if h = 6
10
Rewrite in exponential form:
6 x 6 x 6 x 6 x 6 x 6 x 6 x 6
6^8
y + y + y + y + y + y + y
7y
Phrase --> Expression
The sum of y and 17
y + 17
Another word for "evaluate"
solve
evaluate: 3y
if y = 2.5
7.5
Rewrite in expanded form:
y^5
y x y x y x y x y
a + a + a + b + b + b + b + c + c + c + c + c
3a + 4b + 5c
Phrase --> Expression
The product of 5 and a number
5x
What are the opposite operations:
addition -->
division -->
addition --> subtraction
division --> multiplication
evaluate: 2x + 3
if x = 10
23
Rewrite in exponential form:
v x v x v x v x v x v
v^6
Phrase --> Expression
The difference of a number and 5
x - 5
A combination of numbers and variables separated by operation signs. Ex: 2x+3
expression
evaluate: 45 - p + 7p
if p = 2
57
2x + x + 3 + 5
3x + 8
Phrase --> Expression
K less than 5
5 - K
A combination of numbers and variables separated by operation signs that includes an equal sign and a solution. Ex: 2x+3 = 15
equation
evaluate: x+2y
if x = 2 and y = 3
8