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The Circle

A circle is indicated when both x and y are _____? squared
What is the set of all points in a plane that are the same distance from the center? circle
What is the standard form of a circle? (x-h)^2 + (y-k)^2 = r^2
(x-h)^2 + (y-k)^2 = r^2 In this equation, what represents the center of a circle? (h,k)
What is the radius of a circle? The distance from the center of the circle to any point of the circle
Write x^2 + y^2=16 in standard form? (x-0)^2 + (y-0)^2 = 4^2
What is the radius in the equation (x-6)^2 + (y-4)^2 = 25 √25=5
Which way does the parabola open when x is squared and y is not? the parabola either opens up or opens down
In the equation x=a(y-k)^2 + h , when does the parabola open to the right? when a is greater than 0
Does the graph of the parabola given by the equation x=-6y^2 open to the left, right, upward, or downward? to the left
Created by: studymath