Group Task 2.4

What does i² equal?

• -1

• √-1

• 1

• -√1

Tags

CCSS.HSN.CN.A.1

What letter represents an imaginary number?

• a

• i

• j

• x

Tags

CCSS.HSN.CN.A.1

What complex number is represented by the graph?

• -3-i
• -3+i
• 1+3i
• 1-3i

Tags

CCSS.HSN.CN.B.4

Simplify the following radical: √32

• 3√2
• 4√8
• 16√2
• 4√2

Which of the is a complex number?

• 2

• 4i

• 3 + 5i

• All of them

• none of them

Tags

CCSS.HSN.CN.A.1

What are the solution (s)? a.k.a. the roots

5m² + 1 = 6

• m = 1

• m = 1 or -1

• m = √7

• m = 7/5 m = -7/5

Tags

CCSS.8.EE.A.2

• no real solution

Tags

CCSS.8.EE.A.2

Use the square root property to solve the Quadratic Equation.
2(x - 4)² = 200

• ±10
• -14, 6
• -6, 14
• 100

Tags

CCSS.HSA-REI.B.4B

Solve by finding square roots and simplify completely:
 $2x^2=20$ 

•  $x=\pm10$  

•  $x=\sqrt{10}$  

•  $x=\pm\sqrt{10}$  

• No real solutions

Tags

CCSS.HSA-REI.B.4B