Multiplying Complex Numbers
6(4-12i)
24-72i
Identify the center and radius.
x2 + y2=49
Center:(0,0) Radius:7
What is the formula for midpoint?
x sub one plus x sub two over two comma y sub one plus y sub two over two
What is the equation of a circle?
(x-h)2 + (y-k)2 =r2
(8-i)2
63-16i
4i(18+12i)
-48+72i
Identify the center and radius.
(x-14) + (y-2) =4
Center: (14,2) Radius:2
Find the midpoint.
(-4,4) and (-2,2)
(-3,3)
Write the formula of a circle with the information below.
Center: (11,8) Radius: 4
(x-11)2+ (y-8)2=16
(4n+1)(2n+6)
8n2+26n+6
(3+2i)2
5+12i
Find the center and radius.
x2+ (y+2)2=121
Center: (0,-2) Radius: 11
Find the midpoint.
(5,7) and (3,9)
(4,6)
Center: (-7,1) Radius: 15
(x+7)2+(y-1)2=225
(x-8)2+(x+3)2=49
Center: (8,-3) Radius: 7
(5-3i)(-8+5i)
-25+49i
Find the center and radius.
x + y + 24x + 10y +160=0
Center: (-12, -5) Radius: 3
Find the other endpoint with the points.
Endpoint: (-9,-2), midpoint: (-6,2)
(-3,6)
(x+5)2+ (y+7)2 =36
Translated 5 left, 4 down
(x+10)2+(y+11)2=36
(4a+2)(6a2-a+2)
24a3+8a2+6a+4
(i)(6i)(4+6i)
-24-36i
Find the center and radius.
-6x=-x2 +32y-264-y2
Center: (3,16) Radius: 1
Endpoint: (-5/6, -1/3), midpoint: (1/2, -1)
(11/6, -5/3)
Write the following in standard form.
8x + 32y + y2 =-263 - x2
(x+4)2 + (y+16)2 =9
Center: (-9,-8) Point on circle:(-9,-2)
(x+9)2 + (y+8)2=36