Distributive Property
3(x + 9)
3x + 27
(3x + 5) + (2x - 8)
5x -3
You guessed 22 people attended your soccer game, when actually 18 attended. What was the percent error? Round to the whole percent.
22%
What is 22% of 30?
6.6
-3x + 7 - 2x + 18
-5x + 25
-2(2x + 4)
-4x -8
2(3x + 4) + (x-9)
7x -1
The pants originally were $25, but now are marked at $35. What is the percent of change?
40% increase
9 is what percent of 50
18%
-c + 9 -11 + 5c
4c -2
-3(-2 + -3x)
6 + 9x
-2(5x - 7) - (3x + 5)
-13x + 9
The snowboard you want was originally $415, but now is marked at $200. What is the percent decrease? Round to the whole percent.
52%
5% of what is 18
360
-c -c -c -c -c -c -c
-7c
-(3x-8)
-3x + 8
-(2x -8) -3(4x + 3)
-14x -1
You were hoping 32 students were going to come to your Holiday Party, but 52 showed up! What is the percent error? Round to the whole percent.
38%
2.5% of 4.8
0.12
Can you combine an x with an x to the second power?
No, they are not the same power.
-2x(x + -5)
-2x squared + 10x
-3(-3 -x) -2(-4x - 8)
11x + 25
The Vans you want are on sale for $25. They were originally marked $60. What is the percent decrease? Round to the whole percent.
58%
150% of 4.2
6.3
A peck!