LESSON 2.7 Day 1
Vocabulary
Goal: Identify parts of an expression
Vocabulary
Terms:
Like terms:
Coefficient:
Constant term:
EXAMPLE 1 – Identify Parts of an Expression
Identify the terms, like terms, coefficients, and constant terms of the expression
a) 2x + 5 + 8x + 3
Terms:
Like terms:
Coefficients:
Constant terms:
b) x - 5 + 8x - 3
Terms:
Like terms:
Coefficients:
Constant terms:
1
c) 2x - 5 + 8y - 3 - (- 3y)
Terms:
Like terms:
Coefficients:
Constant terms:
Now YOU try it. Identify the terms, like terms, coefficients, and constant terms of
the expressions.
1) 4x + 5x + x + 3
Terms:
Like terms:
Coefficients:
Constant terms:
2) 7x - (- 9x) + 8x - 3 + y
Terms:
Like terms:
Coefficients:
Constant terms:
3) 6y - x - 7x - 3 + 3y
Terms:
Like terms:
Coefficients:
Constant terms:
2
EXAMPLE 2 – Combining Like Terms (Introduction)
a) 4x + 8x
b) 3y – 5y
c) 3w – 2w + 7
d) -7y + 3y – (-5z)
e) -6s + 4t – x
Now You Try It!
1) 2x + 11x
2) 7y – 20y
3) 4w – 7w - 9
4) -6y – (-5y) – 6x
5) 8s - 3t – x
3