Solving Situational Problems Involving Circle

Multiple Choice

A set of all coplanar points such that the distance from a fixed point is constant?

• Circle

• Ellpise

• Hyperbola

• Parabola

Multiple Choice

Given the equation of the circle, 𝒙^𝟐+𝒚^𝟐−𝟐𝒙−𝟒𝒚−𝟏=𝟎. Which of the following is the radius of the circle?

• $$\sqrt[]{6}$$

• 2

• $$\sqrt[]{5}$$

• 3

Multiple Choice

What is the standard form of the equation of the circle, center is at the origin and radius is 7.

• x²+y²=7²

• x²+y²=49

• (x-0)²+(y-0)²=7

• (x-1)²+(y-1)²=49

Open Ended