Parallel/Perpendicular/ Neither
Writing Equations of Parallel Lines
Writing Equations of Perpendicular Lines
Identifying the Center & Radius of a Circle
Completing the Square to find the Center and Radius of a Circle
100

y= 1/6x + 5 

y= 1/6x + 9 

What is parallel?

100

(4,4)

y= -6x+5

what is y= -6+20

100

(5,-1)

y= -3/5x-3


what is y= 5/3x -6

100

(x-4)+ (y+1)2 = 36 

What is 

Center (4, -1)

Radius 6 

100

x2  + 2x + y2 + 4y = 11

What is 

Center (-1,-2)

Radius 4

200

y= -7/10x + 8 

y= 10/7x + 2 

What is perpendicular?

200

(-5,5)

y= -3x+3

what is y= -3x+10

200

(2,7)

-6x+y=-1

what is y= 1/6x+ 6 2/3

200

(x + 2)2 + (y + 5) 2 =81

What is 

Center (-2,-5)

Radius 9

200

x2 + 4x + y2 - 4y - 1 = 0 

What is 

Center (-2,2) 

Radius 3 

300

x - 2y = 4 and 2x - 4y = 12

What is parallel?

300

(2, -4)

y= 3x+2

what is y=3x-10 
300

(-2,5)

2y=4x-6


what is y= 1/2x +6

300

x2 + (y-6)2 = 100

What is 

Center (0,6) 

Radius 10

300

x2 + y2 + 8y - 9 = 0

What is 

Center (0,-4)

Radius 5

400

y = 1/2x + 7 

2x + y = -5

What is perpendicular?

400

(2,-1)

y= -2/5x+3

what is y= -2/3x + 1/3

400

(-9, 2)

y=3x-12

what is y= 1/5x -4

400

(x-9)2 + (y-2)= 15

What is 

Center (9,2) 

Radius 3.87

400

x2 + 6x + y2 - 8y = 1 

What is 

Center (-3,-4)

Radius 5.09

500

6x + 8y =24 and y=3/4x -3 

What is neither?

500

(4,3)

y= -4x+3

what is y=-4x+13

500

(-10,0)

-y+3x= 16

what is y= -1/3x -1

500

( x - 18 ) 2 + ( y+ 25)2= 145

What is 

Center (18,-25)

Radius 12.04

500

y+ 2x + x2 + 7y = 10

What is 

Center (-1,-3.5)

Radius 4.82