Which of the following is an equation of the circle with the center at (-2,3) and a radius of 5 coordinate units in the standard (x,y) coordinate plane? A) x^2+y^2 +4x-6y=5 B)...
Which of the following is an equation of the circle with the center at (-2,3) and a radius of 5 coordinate units in the standard (x,y) coordinate plane? A) x^2+y^2 +4x-6y=5 B)...
Sometimes Mac takes his labrador with him to work at his autobody shop he hooks aces card to a 60 foot chain mounted on the corner of the shop which is a 40 x 80' rectangular building east enjoys...
(i) Given that the line y=mx, where m is a positive integer, does not intersect the circle x2+ y2 -4mx +3=0, find the value of m. (ii) A line parallel to y=mx is a tangent parallel...
The general format of a circle equation: (x-h)^2+(y-k)^2=r^2
2 x^2+4 x+2 y^2+12 y = 20 is the equation of a circle with and can be written in the general form (x-h)^2 + (y-k)^2 = r^2. Find h, k, and r.
Find an equation of the circle with center at (4,-6) that is tangent to the y-axis in the form of (x-A)^2+(y-B)^2=C where A, B, C are constant. What is A, B & C?
(x-1)2+(y+2)2=49
How do I prove that three non-collinear points lie on a circle?
Find the length of CD.
Q4 c1 is the circle x² + y² -4y-20=0 and l is the line 2x-y+5=0 (a) write down the centre and radius lenght of c1 (b) Find the perpendicular distance from the centre of c1...