9/29 do now (guided)

Evaluate the expression.

• 1
• 7
• -1
• -7

Evaluate the expression below if x = 5 and y = -1?

x² - (5 + y) + xy

(USE DESMOS!)

• -1

• 1

• 16

• 26

What is the solution to 2x² + 5(x³ - 4) if x=3?

(USE DESMOS!)

• 65

• 33

• 133

• 37

Which of the following has a value of four when x = 3 and y = 16?

(Check them all. USE DESMOS!)

What would be my first step? 3 + 4 x 6 - 4 =

• Addition

• Multiplication

• Subtraction

• Division

Which operation would you do first?

(12 + 10) ÷ 10 x 14 - 6

• Division

• Multiplication

• Addition

• Subtraction

• -3

• -1

• 0

• 2

• 4

When Courtney got home from school the temperature was 20° Celsius. When she checked at bedtime, the temperature was -10° Celsius. What is the difference between these temperatures?

• -10

• 10

• 20

• 30