Vocabulary
What do you call a symbol that represents one or more numbers
A variable
Write a word phrase for 3-v
3 minus v
2x+8+4x-5
6x+3
13+n=44
31
5n-18
-3
What do we call terms that have the same variable?
Like terms
the quotient of p and 5
p/5
6+7.2y-4.2+1
3y+7
16q=40
56
5p-2=18
4
What property states a=b then ab=ac
multiplication property of equality.
Which operation would you use to increase a number by 10?
addition
6(y+2)-6+5y
11y+6
9c=90
10
A mathematical phrase with at least one variable is called this
An algebraic expression.
Write a word phrase for 1.3p
1.3 times p
2/3(6+3x)-7
4-5x
r/8=12.6
100.8
A numerical factor of a term with a variable is called what?
Coefficient
Your job pays $7 an hour write an algebraic expression for working h hours.
7h
14+2r+5(2r-1)
12r+9
-7n=294
42