Equations of Circles
Multiplying Complex Numbers
Writing Equations of Circles
Midpoint
Multiplying Polynomials
100
The equation of a circle in standard form.

What is (x-h)2+(y-k)2=r2 ?

100

i ⋅ i

-1

100


What is y2+(x−1)2=1 ?

100

The formula to find the midpoint of a line. 

What is


100

7(−5v − 8)

What is −35v − 56 ?

200

The center of (x+4)2+(y−6)2=48 

What is (-4, 6) ?

200

3(3+20i)

What is 9+60i?
200

A circle has a radius of √ 98 and is centered at (5.9,6.7)

What is (x -5.9)2 + (y -6.7)2 = 98

200


What is (-1, 1/2)

200

(2n + 2)(6n + 1)

What is 12n 2 + 14n + 2 ?

300

The center and radius of x2+(y+4)2 = 64

What is Center: (0, -4) Radius: 8 ?
300

(1+i)(3−5i)

What is 8-2i ?

300

Center: (-6.3, 9) Radius: 7

What is (x+6.3)2+(y-9)2=49 ?

300

The midpoint of points (3,4) and (8,-4)

What is (5.5,0)

300

(3m − 1)(8m + 7)

What is 24m 2 + 13m − 7 ?

400

The center and radius of (x − 1)2+(y + 4)2=9

What is Center: (-1,4) Radius: 3 ?

400

(4-2i)(-5+4i)

What is -12+26i ?

400

A circle has a radius of  √ 12 and is centered at (-5, 7.3)

What is (x+5)2+(y-7.3)2=12

400

Endpoint: (−6, 4), midpoint: (4, 8)

What is (14, 12) ?

400

(7k − 3)(k2 − 2k + 7)

What is 7k3 − 17k2 + 55k − 21 ?

500

The center and radius of (x-5)2+(y+2)2 = 81/4

What is Center: (5,-2) and Radius: 4.5 ?

500

(-1-i)2

2i

500

Center: (1.3, -3.5) and Radius: √ 37

What is (x-1.3)2+(y+3.5)2= 37 ?

500

 Endpoint:(10,12) midpoint: (6,9)

What is (2,6) ?

500

(6n2− 6n − 5)(7n2 + 6n − 5)

What is 42n4 − 6n3 − 101n2 + 25 ?

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