Expectations
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![Page 1: Expectations](https://reader036.fdocuments.us/reader036/viewer/2022062308/5681301b550346895d95967a/html5/thumbnails/1.jpg)
Expectations1. Try all 24 classwork problems (2 pts)2. Make sure you have the correct answers on
your classwork before you leave (2 pts)3. Preview homework to see if you know how
to complete it (2 pts)4. Raise your hand if you have a question (2
pts)5. Stay in seat and stay quiet when instructor is
giving the lesson (2pts)
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DistributingMeet JT
At JT’s birthday party, he has the responsibility to pass out cake to all his friends
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Some friends are inside the house
Some friends are in the yard
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No matter where they are,
everyone gets cake
3 pieces!!!Atta boy, JT
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6 friends are in the house
5 friends are in the yard
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( + )
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3(6 + 5) =
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3(6 + 5) = 18 + 15 = 33pieces of cake
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Suppose JT didn’t know how many were outside
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3(6 + x) =18 + 3x
The expression would look like this:
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3(2x + 1)=
6x + 3
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–2(3x + 2)=
-6x - 4
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Distributing
answers
1. 6x + 3
2. -6x - 4
3. -8x + 12
4. -2x -1
5. -12 + 8m
6. 2/3x + 1/3
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2(n – 5) + 4 =
2n – 10 + 4
Distributing among parenthesis AND combining like terms
2n – 6Now, combine like terms
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8(x – 2) – 7x =
8x – 16 – 7x
Distributing among parenthesis AND combining like terms
x – 16Now, combine like terms
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Distributing among parenthesis AND combining like terms
answers
7. 2n - 6
8. x - 16
9. -2n - 9
10. 6x - 6
11.-2x + 6
12.-3g + 15
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8x – 2 – 7x = -9
+2 +2
Combining like terms AND moving constant to the other side of the equal
sign
X – 2 = -9
Combine like terms
Add the opposite of the constant to both sides
X = -7
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–5x – 12 + x = 13
+12 +12
Combining like terms AND moving constant to the other side of the equal
sign
-4x – 12 = 13
Combine like terms
Add the opposite of the constant to both sides
-4x = 25x = -25/4
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Combining like terms AND moving constant to the other side of the equal sign
answers
13.-7
14.-25/4
15.-1/2
16. -4/7
17.-1
18.3/4
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–3x = 3 4
-1 - 1 3 3
Equations with fractionsRule: Multiply each co-efficient by its
inverse
x = -1/4
Find the co-efficient
Find the inverse of the co-efficient
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1 x = 6 2
2 21 1
Equations with fractionsRule: Multiply each co-efficient by its
inverse
x = 12
Find the co-efficient
Find the inverse of the co-efficient
x = 6 x 2
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Equations with fractionsRule: Multiply each co-efficient by its inverse
answers
19. ¼
20. 12
21. 8
22. 7 ½
23. -1/32
24. 8/9
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