Phrases to Expressions
the sum of a number and two
x + 2
"two pencils fewer than before" written as an algebraic expression
x - 2
a mathematical sentence where one expression equals another expression eg. 3x + 5 = 10
equation
twice a number
2x
ten less than a number
x - 10
"30 meter more than its width" written as an algebraic expression
w + 30
a letter that stand for an unknown value that can change eg. x, y, z
variable
40 added to a number
40 + x
the product of 5 and a number
5x
"a tutor charges twenty dollars per hour" written as an algebraic expression
20x
a number that is multiplied by a variable (or the number in front of the variable is called ________________________)
coefficient
a number divided by 6
x/6
the quotient of 100 and x?
100/x
"three years less than John's age" written as an algebraic expression
J - 3
a number, variable, or combination in an expression or equation that is separated by + or - symbols
(eg. 2x, - 4y, 10a)
term
take away one hundred from a number
x - 100
four taken away from a number
x - 4
"a group of friends evenly split $50" written as an algebraic expression
50/x
2x + 3 is called an ____________________.
Expression
7 removed from x
x - 7