Simplifying 1
The steps to simplify an expression are....
1. Distribute
2. Combine like terms
What are the like terms in this expressions 3b+7k^2+9m+10b+99k^2+3k
3b and 10b
7k^2 and 99k^2
evaluate x+(y+z) if x=7 y=3 and z=2
12
evaluate y^3-z^2 if x=7 y=3 and z=2
5
An expression is simplified when it has...
no like terms and no parenthesis
3(8+5y)-2
22+15y
3(d+5)+2(d+8)
4d+31
evaluate 3x^2-10y+(2-y) if y=1 and x=10
291
For formula for the area of a sqaure is A=s^2. Find the area of a square if the side length is 7cm
49cm^2
15p-2p+8(p+1)
21p+8
8a+2(a-7)
10a-14
check powerpoint slide 1
200w
8(2a+b)-4a+9b
12a+17b
20-4+4(3d+7)
12d+44
power point slide 2
200w+300
Laura bough y yards of fabric on Saturday. The next day she went back and bought 3 more yards that she did on saturday. If each yard of fabric costs $5 write an expression in simpliest form for teh total ammount of money she spent both days
10y+15
16+1/3(15r-9)
13+5r
7(2n+10)+2(4n-1)
22n+68
What was the total amount of paper recycled by each school on week 10?
primary school recycled 2000 lb and the intermediate school recycled 2300 lb