Three less than k
k - 3
Write "x to the fifth power" in exponential form
x5
A symbol (usually a letter) that stands for an unknown value
variable
4x - 5 if x = 3
7
the volume of a rectangular prism is calculated by finding the product of the length, width, and height. Write an expression to find the volume of any right rectangular prism
lwh
The product of 8 and n
8n
Write 4 x 4 x 4 in exponential form
43
In the expression below, what is the coefficient? 3x + 5
3
40 - 6k when k = 2
28
The expression 1/2(bh) is used to find the area of a triangle. What would the area be if the base is 4cm and height is 20cm?
40 sq cm
Five more than the product of 3 and k
3k + 5
Write 56 in expanded form
5 x 5 x 5 x 5 x 5 x 5
Replacing a variable with a number value is known as this
substituting
(5m / 4) - n2 when m = 20 and n = 5
0
You and your friends order some pizzas that cost $12 per pizza. Write an expression to find the total cost of p pizzas.
12p
10 less than the quotient of 8 and x
(8 / x) - 10
Simplify 23 + 33
35
After substituting values in for variables in an expression, you can then ____________ the expression
evaluate OR simplify
1.5n - 2.7 when n = 4.2
3.6
The electric company charges a flat rate of $30, plus $7 per unit of energy used each month. Write an expression that show how much you will be charged each month
30 + 7u
5 fewer than a number squared
n2 - 5
Simplify 53
125
A number in an expression that doesn't change is called a what?
a constant
4x - 2y + 15 When x = 3 and y = 2
23
Airplanes must carry a certain amount of fuel depending on how far they are traveling and how many passengers they are carrying. A plane must carry 75 gallons, plus 10 gallons for each passenger, plus 2 gallons for each mile traveled. Write an expression to show how much fuel a plane should carry
75 + 10p + 2m