Unit 7 Obj. 2 Day 1

Convert the rectangular equation to polar form

• r² = 81

• r = 3

• r = 4.5

• r sin θ = 9

Tags

CCSS.HSN.CN.B.4

What is the equation?

• Θ = π/4

• Θ = -5π/4

• Θ = -3π/4

• Θ = 5π/4

Which equation represents the polar graph?

• r = sin θ
• r = sin 4θ
• r = 4 sin θ
• r = 4 cos θ

Tags

CCSS.HSN.CN.B.4

Covert the rectangular equation to polar form  $y=4$  

• r sin θ = 4

• r = 4 cosθ

• r = sinθ/4

• r = 4 sinθ

Tags

CCSS.HSN.CN.B.4

Which one of the following is an equation for r = 4cosθ

• x² + y² = 16

• (x + 2)² + y² = 4

• (x - 2)² + y² = 4

• x² + ( y - 2 )² = 4