02/27/19 Warm Up

Simplify √-16

• 4i

• 6i

• 4

• 2i

Evaluate the following: 5 + (2 + 3²) ÷ 2

• 10.5

• 5.5

• 12

• 6

Find 7% of 20 using multiplication (known as percent equation). Don't use proportions for this one. Look at your binder and find the "percent equations" lesson in Unit 3 if you need to.

• 1.40

• 1.70

• 1.12

• 2.21

Solve the following equation:

4x - 10 = 6x + 20

• x = -15

• x = 15

• x = -30

• x = 30

Ken works as a salesperson in a Best Buy. He earns $200 each week plus 6% commission on his total sales. Which equation correctly represents Ken's weekly earnings, E, based on s, his total sales?

• E = 0.06s($200)

• E = 6s + $200

• E = 0.06s+ $200

• E = 6s($200)