Equation of a Circle — Unit test Answers
0 verified answers1 views
21
Free Preview
Which equation represents the general form a circle with a center at (–2, –3) and a diameter of 8 units?
A
x2 + y2 + 4x + 6y – 51 = 0B
x² + y² – 4x – 6y – 51 = 0C
x2 + y2 + 4x + 6y – 3 = 0D
x2 + y2 – 4x – 6y – 3 = 022
Free Preview
Which values for have the same reference angles?
A
, ,
B
, ,
C
, ,
D
, ,
23
How long is the arc intersected by a central angle of radians in a circle with a radius of 6 ft? Round your answer to the nearest tenth. Use 3.14 for .
A
1.0 ftB
5.7 ftC
6.3 ftD
7.0 ft24
Which circle has a central angle that measures 40°?
A
Circle U is shown. Line segment Z X is a diameter. Line segment V X is a secant. Angle V X Z is 40 degrees.
B
Circle U is shown. Line segments U V and U Z are radii. Angle V U Z is 40 degrees.
C
Circle U is shown. Line segment Z V is a secant. Line segment Z X is a tangent. Angle X Z V is 40 degrees.
D
Circle U is shown. Line segments X V and X Z are secants. Angle V X Z is 40 degrees.
Did you find these answers helpful?
Verified answers available
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this