7.1
Simplify the Expression
3(x+4)+2(x−5)
5x+2
Simplify the Expression
5(x−2)+4(x+1)
9x-6
Simplify the Expression
2(x+7)+6(x−3)
8x-4
Simplify the Expression
4(x−6)+3(x+2)
7x−18
Simplify the Expression
7(x+1)+2(x−8)
9x−9
Simplify the Expression
2(x+3)+3(x−4)+5
Simplify the Expression
4(x−2)−2(x+6)+3x
5x-20
Simplify the Expression
−3(x+5)+2(x−1)+7
−x−10
Simplify the Expression
5(x−1)+3(x+2)−4(x−3)
4x+13
Simplify the Expression
6(x+4)−2(x−5)+(x−7)
5x+27
How do you find the MEAN?
Add all the numbers up, then divide by how many numbers you added.
How do you find the MODE?
The most common number.
How do your find the MEDIAN?
Order the numbers least to greatest then identify the middle number.
How do you find the range?
Largest number - smallest number.
How do you find the MAD?
1. find the mean. 2. subtract the mean from all the numbers. 3. Ignore the negatives. 4.add all the distances then divide by how many distances you added.