Question Text
Question 1 :
The radius of the circle with center (0,0) and which passes through (-6,8) is
Question 3 :
The intercept on the line $y=x$ by the circle ${ x }^{ 2 }+{ y }^{ 2 }-2x=0$ is $AB$. Equation of the circle with $AB$ as a diameter is
Question 4 :
Equation of the circle with centre on y-axis and passing through the points $(1,0),(1,1)$ is:
Question 5 :
Find the value of a if $y^2=4ax $ pases through $(8,8)$
Question 8 :
What is the radius of the circle with the following equation?<br>$\displaystyle x^{2}-6x+y^{2}-4y-12=0$<br>
Question 9 :
Which of the following equations of a circle has center at (1, -3) and radius of 5?
Question 10 :
The equation to the circle with centre $(2,1)$ and touches the line $3x+4y-5$ is ?<br/>
Question 11 :
The circle with radius $1$ and centre being foot of the perpendicular from $(5, 4)$ on y-axis, is?
Question 12 :
Find the equation of a circle with center $(0, 0)$ and radius $5$.<br/>
Question 14 :
The equation of the circle passing through $(3, 6)$ and whose centre is $(2, -1)$ is
Question 15 :
State whether the following statements are true or false.<br/>The equation $x^{2}+y^{2} + 2x -10y + 30 = 0$ represents the equation of a circle.<br/>