I like terms
14m + 11m - 9m + m
17m
Are 3x + 3 and 3x(1 + 1) equivalent expressions?
No, they are not equivalent expressions.
3(6x + 2)
18x + 6
Factor the expressions ...
3x - 6
3(x - 2)
Evaluate 64/n
n = 4
16
A number plus 4
n + 4
27x - 25x + 9 + 5
2x + 14
Are 3(2x + 4x) and 10x + 8x equivalent expressions?
Yes, they are equivalent expressions because they both equal 18x
9(4 - 2x)
36 - 18x or -18x + 36
Factor the expressions ...
7x - 14
7(x - 2)
Evaluate 4(y-5)
if y=9
16
Mia collects stickers. She buys 3 packs, and each pack has p stickers.
Write an expression to show how many stickers she buys in total.
3p
3r + 1 + 6x + 9r - 3x + 9
12r + 3x + 10
Are 2x + x - x + 4x and 7x equivalent expressions?
No, they are not equivalent expressions because 2x + x -x = 2x and 2x + 4x = 6x
-6(2x - 6)
-12x + 36
Factor the expressions ...
5y - 35x
5(y-7x) or -5 (-y+7x)
Evaluate 7(x+3) if x = 6
63
I have a box of c cookies. I eat 3 of them.
Write an expression to show how many cookies are left.
c-3
-12x + 11s + 8x + 12 - 5s - 12
-4x + 6s
Are these equivalent expressions?
1/2 (6k−4) and 12k−8
NO
-3(3x+5)
-9x - 15
Factor the expression using GCF
8 - 12x
4(2 - 3x)
Evaluate 2x - 5x
when x = -2
6
A theater charges d dollars for a ticket. A group of 6 friends all buy tickets and also purchase 2 large popcorns for p dollars each.
Write an expression for the total cost for the group.
6d+2p
9 - 4x +12y + 2x + 6 - 4y
-2x + 8y + 15
Are these equivalent expressions?
2(m+3)−(m−4) and 2m+10−m
Yes!
1/2(4x + 10x)
7x
Factor the following expression two ways:
-4x - 6
-2(2x + 3) and 2(-2x -3)
Evaluate 16x + 2y if x = -2, y = 8
-16
The quantity of some number x added to five, then divided by 2
(x+5) / 2