Alg.1 - Unit1 Review

PEMDAS operations

100

7+ 54÷ 3(2)  

16

200

24-4^2 * 3 +15 

39

300

{(7-2^2)+17}/ {-14+2*5}

 

-5

400

20^2/ {3(5-9)^2+2}

8

500

17-2⁵÷4+6

15

Properties

100

12(x + 4) = 12x + 48

Distribution

200

6s⋅1/6 s= 1

Inverse

300

8 + (2 + 6) = (8 + 2) + 6

Commutative Property

400

 8a + 4 = 4 + 8a

Commutative Property

500

10k² + (-10k²) = 0

Inverse

Simplifying the expression

100

-2y + 14 – 9y + 5

-11y+19

200

4xy – 6xy + 5y – 9x

 -2xy+5y-9x

300

6n² – 2n – 3 + 5n² – 9n – 6  

11n²-11n-9

400

6a²b² + 3ab² – a²b² – 4ab²

5a²b² - ab²

500

 19x²y – 4xy² + 5xy² – 16x²y

3x²y + xy²

Distribution

100

 x(y + 4)      

xy + 4x

200

2(x – y + 8)  

2x-2y+16

300

1/4*(8x- 4) 

2x-1

400

-1/8(4/5x-24)

-1/10x+3

500

6 + 8(4w – 7) – (2w + 1)

-51+30W

Translation

100

twice a number divided by 6 is 42

2N÷6=42

200

two times the sum of number and 5

2(x+5)

300

one less than the product of a number and 3

3x-1

400

ten increased by the quotient of a number and 2

(x÷2)+10/ 

x/2+10

500

four times the difference of a number and 7

4(x-7)