1. Slot Work -2x – 10 = 88 2. -4x - 5 = 21 3 x - 4 = 2 4. x – 15 = 25
8 = -x (-2x) = 45
7. (-10) + 3x = x – = 41
Riddle:What goes up and never comes down?

2. QUIZ on 1.1 – 1.4

3. Table of Contents
Date Target Combine Like Terms NWEA TEST on Thursday UNIT TEST on FRIDAY

4. VOCAB
YIP: Term – a number, a variable, or the product of the numbers and variables. EX: the expression 6x y has 3 terms YIP: Coefficient - A number that is multiplied by a variable EX: the expression 5x + 8b – 9 has 5 and 8 as coefficients

5. What are like terms? 2x + 3x + 4 + 2 + 5
YIP: In expressions, like terms are those that have the same variable raised to the SAME power!
2x + 3x

6. What about terms that look alike?
BE CAREFUL!!!!!
Terms must have the same exponent to be combined.
Example: 2x can NOT be combined with 4x2
Why not?

7. Foldables: hexagons Like Terms Unlike Terms
Like Terms: 4a,6a r,7r 3,5
3x², 4x² xy, 3xy
unlike Terms: 4a, r,9t x², 4x³ xy, 3 y

9. Draw line in front of each + or – sign to separate each term.
Steps to Combine
Combining like terms
Draw line in front of each + or – sign to separate each term.
Circle all the like terms the same color
Put each group of like terms together.
Simplify each group.

10. EXAMPLE -5a -2 +3a – 4b + a - 12 + 6b - a
Draw line in front of each + or – sign to separate each term.
Circle all the like terms the same color
Put each group of like terms together.
Simplify each group.