#1. 6x = 42 #2. x – 9 = -10 #3. 32 + 3z = 12 + 5z #4. 12x – 3 = 4x + 13 Bell Ringer
Homework Review #2. 35 = 7(2p – 1) #4. 16(z + 3) = 4(z + 9)
Homework Review #5. 7(x + 2) = 2(x + 2) #6. 3(d – 2) = 5(d + 8)
Homework Review #18. 6n – 18 = 4(n + 2) #19. 12y + 5(y – 6) = 4
Homework Review #20. 12z + 4 = 2(5z + 8) – 12 #21. d – 12 = 4(d – 6)
Section 5.3 Continued R drive > Key > Week 8 > Thursday > 5.3 PowerPoint Continued File > Save As > P drive > math > Week 8 > 5.3 PowerPoint Continued
Example 3
Let’s Take Another Look The Carleton Company budgeted $1,825 for a banquet. The cost of the facility is $225. How much can the company spend per guest on food if there is a $3 charge per guest for for linens and there are 80 guests coming to the banquet? A. $15 B. $17 C. $20 D. $25
Your Turn
New Vocabulary Null or Empty Set – Equations that have no solution. Shown by ø or { } Identity – Equations that have every number as their solution
Focus on the Content
Here is what that means….
Here is what that means…..
Let’s Take Another Look #1. 3(4x – 2) + 15 = 12x + 9 #2. 7y – 8 = 3(2y + 4) + y
Your Turn
In Summary One Solution – This is when you end up with When solving equations: One Solution – This is when you end up with “x = number” Null Set (No Solutions) – This is when you end up with a statement that isn’t true. “4 = 10” Identity (Infinite Solutions) – This is when you end up with a statement that is always true. “2 = 2”
Homework Section 5.3 # 7 -11, 22 - 27
Homework Section 5.3 # 7 -11, 22 - 27