Vocabulary
What is 2 - 3x?
An expression
Tell whether the terms shown are like terms or unlike terms:
A. 63, 19.2, -1
B. 5y, 5x, 5w
A. Like Terms
B. Unlike Terms
Are the expressions 2x + x + x + x + x and 6x equivalent?
Show your work.
Yes, they are equivalent.
Factor the expression using the GCF:
30b-6c
6(5b-c)
Evaluate the expression for u = 19.8
-13 + u
6.8
NO!
Simplify the expression:
2b + 4 - 5b + 10
-3b + 14
OR
14 - 3b
Are 3x + 3 and 3x(1 + 1) equivalent expressions?
Show your work.
NO
Simplify the expression
-2(4z - 3)
-8z + 6
Is 10 a factor of 90t + 80u?
Yes
All ______________ can be combined to simplify expressions.
Like Terms
Simplify the expression:
3r + 6s + 9r - 3s + 9
12r + 3s + 9
Are 8x - 11 and 8(x - 3) equivalent expressions?
Write an explanation for why or why not.
Not equivalent because 8*3 equals 24 not 11.
Simplify the expression 2(x - 6) + 2(8)
2x + 4
What is Ms. Adelgren's favorite color?
Blue
What property is represented?
3x + (-y) + 1
=
3x + (-y + 1)
Associative Property
Simplify the expression:
5b + 3c - 20 + 3b - 15c +4
8b - 12c - 16
Tell whether the expressions are equivalent or not:
5y + (-4)
AND
4 + (-5y)
NOT equivalent
Simplify the expression:
6(2x - 6) + 2
12x - 34
What is the GCF of 44 and 49?
1
Identify the terms in the expression:
-2c + 8d - 6
Constants: -6
Coefficients: -2, 8
Variables: c, d
Simplify the expression:
-v +2w - 2v + 5x + 6w - 4 - x
-3v + 8w + 4x - 4
Are 18x + 48x and 6x(3 - 8) equivalent expressions?
Show your work
YES
Factor the expression:
54x - 9
9(6x - 1)
Write 3 equivalent expressions of (5x - 15) + 10y using the Distributive Property, Commutative Property, and Associative Property.
Label which property you used for each equivalent expression.
Associative: 5x + (-15 + 10y)
Commutative: 5x + 10y - 15
Distributive: 5(x - 3) + 10y