Vocabulary
What is a variable?
An unknown number (a letter)
Simplify: t + 8 + 3t
4t + 8
Distribute the expression 2(h + 5)
2h + 10
In the expression 6y-2y+9, what are the coefficients?
What is 6 and -2
Simplify
3z + 4 + 2 + 4z
7z + 6
Simplify the expression
5v - 4 - 2v
What is 3v - 4
In the expression, 8t+11t-9, the constant is _____?
What is -9
Simplify
2n - n - 4 + 7n
8n - 4
Find the sum
(n + 8) + ( n - 12)
What is 2n - 4
Find the difference
(-2g + 7) - (g + 11)
What is -3g - 4
Distribute, then simplify the expression
-2(s - 6)
-2s + 12
Expressions that have the same variable and the same exponential value
What are "like terms"
Simplify
1.4y + 5 - 4.2 + 5y + z
6.4y + z + 0.8
Find the sum
(2w - 9) + (-4w - 5)
What is -2w-14
Find the difference
(6d + 5) - (2 - 3d)
What is 9d +3
Distribute then simplify the expression
-8(-8c + 6) - 3(6 + 3c)
55c - 66
What is a coefficient?
The number in front of a variable
Simplify:
5x - 4 + 6y - 10y+ 4x + 8 - x
8x - 4y + 4
You start a new job. After w weeks, you have (10w +120) dollars in your savings account and (45w + 25) in your checking account. Write an expression that represents the total in both account
What is 55w + 145
Find the difference
(7r - 2) - (4r + 3)
What is 3r - 5
Simplify
-(x - 8) + 7(4 + 3x)
What is 20x + 36