Math 90 SI Session 4

Order of Operations

100

20-(3+1)²

4

200

4(20-14)/8+1

8/3

300

5-[2³-(4+2)]/5-2²

3

400

4[20/3+2]/2³-4

26/3

500

9-(4-3)⁴/6-3+1

41/6

Interval Notation

100

x<3

(-∞ ,3)

200

x≥–7 

[–7,∞)

300

−1<x≤5

(–1,5]

400

 2≤𝑥≤6

[2,6]

500

 –10<𝑥<0

(–10,0)

Distributive Property: Integer Coefficient

100

-8(6x+3)

-48x-24

200

-5(a-6)+2a

-3a+30

300

-5(1+2k)-8(-4+5k)

27-50k

400

5(-3p+7)+5(p-1)

-10p+30

500

-8(-3u³-2+4x²)

24u³-32x²+16

Solve for...

100

8(x+2)=2x-44

x=-10

200

−12(x − 12) = −9(1 + 7x)

-3

300

−11 + 10( p + 10) = 4 − 5(2p + 11)

x=-7

400

12(2k + 11) = 12(2k + 12)

no solution

500

−16 + 5n = −7(−6 + 8n) + 3

1

Naming Properties / Random

100

2+3=3+2

Commutative Property of Addition

200

(2+3)+4=2+(3+4)

Associative Property of Addition

300

17+0=17

Additive Identity Property 

400

What is your SI's major and classification?

Junior Biology Major 

500

Where am I from?

New Jersey