what is a letter that stands for a number?
Variable
x+y
for x= 2 and y= 3
= 2 + 3
= 5
What are the like terms in the following expression?
4x + 6 + 2x
4x and 2x
what is a number with NO variable?
Constant
x+y-5
for x= 10 and y= 7
= 17 - 5
= 12
What are the like terms in the following expression?
3b- 5(4b)
3b and 4b
What is a number, a variable, or the product of a number and variable?
Term
x(y)
for x= 2 and y= 5
= 2 (5)
= 2 x 5
= 10
What are the like terms in the following expression?
6y- 4 + y
6y and y
What is a like term?
Terms that have identical variable parts.
for x= 4 and y= 3
= 4 (3) - 8
= 4 x 3 - 8
= 12 - 8
= 4
What are the like terms in the following equation?
2 + 4x - 1 + 6
2, 1, and 6
Coefficient
for x= 12 and y= 6
= (12/6) + 8
= 2 + 8
= 10
What are the like terms in the following expression?
9y- x + 2y
9y and 2y