If the line y=x+3 meets the circle x^2 + y^2 = a^2 at A and B, then equation of the circle on AB as diameter is...

If the line y=x+3 meets the circle x^2 + y^2 = a^2 at A and B, then equation of the circle on AB as diameter is...

analytic geometry "CIRCLES" Tangent to line x+2y+4 whose center (3,3) find the equation?

The circle is centered at the point (4,3) and has a radius of length 5. What is its equation?

write the equation of the circle in standard form. Identify the radius and center. x^2+y^2-4x+6y+9=0

X2+y2-4x+6y+9=-

In the standard xy coordinate plane, the vertices of a square have coordinates (0,4), (4,4), (4,0), and (0,0). Which of the following is an equation of a circle that's inscribed in the square? A...

I need help solving this equation: 49x^2+49y^2+14x+294y-48=0 find the Center, Radius and intercepts of the circle.

how do you find the equation of a circle with the ends of the diameter (1,16) and (-1, -18)? finding the equation of a circle

Cake recipe makes a cake that is 6 inches in diameter and 2 inches high. If I use the same recipe but pour the batter into a round cake pan that is 8 inches in diameter, how tall will the cake be...

What is the equation for a circle which has its center at (1, 2) and is tangent to the line -3x+2y= 14. Solve using your algebra skills; DO NOT USE CONSTRUCTIONS!!!! The equation...

Write the equation for a circle which has its center at (1, 2) and is tangent to the line -3x+2y= 14 Solve algebraically. I know that the equation of a circle is r2=(x-h)2+(y-k)2...

locus of the point of intersection of tangents to the circle x2 + y2 + 2x + 4y - 1 = 0 which include an angle of 600 is (I)x2 + y2 + 2x + 4y - 19 = 0 (ii)x2...

A square region ABCD is externally tangent to the circle with equation x2+y2=1 at the point (0,1) on the side CD. Vertices A and B are on the circle with equation x2+y2=4. What is the side...

find the equation of a circle that satisfies the given conditions. Radius 9 and center (-1, -8)

What is the standard form equation of a circle with ends of a diameter: (1,16) and (-1, -18)? Finding the standard form equation of a circle

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)...

In circle O, AB is a tangent to the circle at point B. AC is tangnet to the circle at point C and point D lies on the circle. What is measurement of angle BAC?

In a circle P, DG is a tangent. AF=8 EF =6 BF =4 EG =8 Find CF

34. (a) Find the equation of AB, the perpendicular bisector of the line joing the points P(−3, 1) and Q(1, 9). (b) C is the centre of a circle passing through P and Q. Given...

My question is here in this link: http://oi60.tinypic.com/k4e80x.jpg It's about Circle and equations of line.

Recall the equation for a circle with center (h,k) and radius r. At what point in the first quadrant does the line with equation y = 1 x + 4 intersect the circle with radius 4 and center (0, 4)...

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