Download Collecting like terms

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
•Collecting
Gather
Group
Assemble
Compile
•Terms
Items
Conditions
Understanding
‘ A term is a collection of numbers, letters and brackets’
In an expression each term is
divided by + or - signs
2 x ²  2y² - 4xy  4
X² Term
Y² Term
xy Term
Number
Term
Example
2 x  4  5x  6
X Term
Number Term
X Term
Number Term
Collect x terms
Collect number terms
2x + 5x = 7x
-4+6= 2
7x+2
Check by giving values
 If x= 2
 2x-4+5x+6 should be equal to 7x+2
 4-4+10+6 = 14+2
 16=16
When collecting like terms it is important to take into
consideration positive and negative terms
2x +3y – are not like terms as x and y represent different
values
Puzzle
Why collect terms?