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Given the equation of a circle (x-2)2+(y+3)3=36,what are the coordinates of its center?
(2,3)
(-2,3)
(-3,2)
What is the formula to find the center of a circle?
(h,k)
(x-h)2+(y-k)2=r2
(x,y)
The equation ∣x-4∣=6 represents:
Two lines
A circle
Two line segments
What is the formula to find the Area of a rectangle?
A=l x w (where A is the area , l is the length , and w is the width).
P=2(l+w)
P=6(l+w)
In the equation C2π\frac{C}{2\pi}2πC =r, what is the mean of C?
Radius
Circumference
Length
The length of a rectangle is three times its width. If the width is 4 units,what is the length?
12 units
8 units
16 units
How to find the length of a square when parameter is given?
s=P4\frac{P}{4}4P (where P is the perimeter and s is the length of one side).
P=2(l+s)
P=6(4+w)
What is the formula to find the radius of a circle?
C2π\frac{C}{2\pi}2πC =r
What is the formula to find the length of a rectangle?
l=P2\frac{P}{2}2P -w
Which of the following is the standard form of the equation of a circle with center at(-2,5) and radius 7?
(x+2)2+(y-5)2=72
(x+2)2+(y+5)2=72
(x-2)2+(y-5)2=72
It is done.