Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b)...
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Transcript of Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b)...
![Page 1: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/1.jpg)
Pre-AlgebraChapter 2 Review
![Page 2: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/2.jpg)
Chapter 2 Review
1) Name the property demonstrated.
a) a + b = b + a
b) a(b + c) = ab + ac
![Page 3: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/3.jpg)
Chapter 2 Review
1) Name the property demonstrated.
a) a + b = b + a
Commutative property of addition
b) a(b + c) = ab + ac
distributive property
Answer
![Page 4: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/4.jpg)
Chapter 2 Review
2) Name the property demonstrated.
a) ab = ba
b) a + (b + c) = (a + b) + c
![Page 5: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/5.jpg)
Chapter 2 Review
2) Name the property demonstrated.
a) ab = ba
commutative property of multiplication
b) a + (b + c) = (a + b) + c
associative property of addition
Answer
![Page 6: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/6.jpg)
Chapter 2 Review
3) Simplify.
a) 5x + 3y + 3x + 2y
![Page 7: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/7.jpg)
Chapter 2 Review
3) Simplify.
a) 5x + 3y + 3x + 2y = 8x + 5y
Answer
![Page 8: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/8.jpg)
Chapter 2 Review
4) Simplify.
a) 4 + 6(a + 2) + 3a
![Page 9: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/9.jpg)
Chapter 2 Review
4) Simplify.
a) 4 + 6(a + 2) + 3a = 9a + 16
Answer
![Page 10: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/10.jpg)
Chapter 2 Review
5) Solve for x.
a) x + 19 = 30
b) 38 + x -18 = 500
![Page 11: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/11.jpg)
Chapter 2 Review
5) Solve for x.
a) x + 19 = 30
x = 11
b) 38 + x -18 = 500
x = 480
Answer
![Page 12: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/12.jpg)
Chapter 2 Review
6) Solve for y.
a) 8y = 96
b) y / 12 = -24
![Page 13: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/13.jpg)
Chapter 2 Review
6) Solve for y.
a) 8y = 96
y = 12
b) y / 12 = -24
y = -288
Answer
![Page 14: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/14.jpg)
Chapter 2 Review
7) Write an equation for the problem and solve.
a) Twice a number increased by 28 is 54.
![Page 15: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/15.jpg)
Chapter 2 Review
7) Write an equation for the problem and solve.
a) Twice a number increased by 28 is 54.
2n + 28 = 54
n = 13
Answer
![Page 16: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/16.jpg)
Chapter 2 Review
8) Write an equation for the problem and solve.
a) Terry’s age is half Bobby’s age. The sum of their ages is 36. How old are they?
![Page 17: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/17.jpg)
Chapter 2 Review
8) Write an equation for the problem and solve.
a) Terry’s age is half Bobby’s age. The sum of their ages is 36. How old are they?
Terry’s age is a.
Bobby’s age is 2a
a + 2a = 36
a = 12
So, Terry is 12 and Bobby is 24.
Answer
![Page 18: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/18.jpg)
Chapter 2 Review
9) Solve for n.
2│n│ = 10
![Page 19: Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.](https://reader036.fdocuments.net/reader036/viewer/2022082613/5697bfa91a28abf838c9a174/html5/thumbnails/19.jpg)
Chapter 2 Review
9) Solve for n.
2│n│ = 10
n = ±5
Answer