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12 Analytical Geometry Flashcards | StudBud
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12 Analytical Geometry
12 Analytical Geometry
10 terms
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To reinforce the formulas used in analytical geometry gr 12
Flashcards
10 cards
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Practice quiz
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Host live
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Questions
10
Answers
1
The formula for the circle with center on the origin is:
y = mx +c
y = x2+ q
y2 = - x2 + r2
y2 = r2 + x2
2
The radius of the following circle: x
2
+ y
2
-4x + 6y - 14 =0
√14
√27
√-27
±√14
3
The radius of the following circle: (x-3)
2
+ (y+3)
2
= 144
3
9
6
12
4
The center of the following circle: x
2
+ y
2
-4x + 6y - 14 =0
(-4; -14)
(-4 ; 6)
(2; -3)
(-2; -3)
5
The center of the following circle : (x-4)
2
+ (y+2)
2
= 24
(-4 ; -2)
(-4; 2)
( 4 ; 2)
(4 ; -2)
6
The angle between a radius and a tangent is equal to
45°
Supplementary
90°
Twice the angle at the center
7
The radius of the circle in the picture is...
10
3
4
5
8
The equation of the circle in the video is
(x+3)2 + (y+1)2 = 2
x2+y2-3x-2y=1
x2+y2+x+y+9=0
x2+6x+y2+2y+9=0
9
The equation of the tangent to a circle
y + mx = c
y = -x + q
y2+x2=r2
y = mx +c
10
The diameter of the circle in the picture is...
6
8
12
10
