What do you notice about the equation of a circle (in the upper left corner)? Does it look like any other equation we've seen in the past? If so, describe!
What would the equation of circle with center (0,0) and radius = 9 be?
If a circle graph has equation [math]x^2+y^2=144[/math], what would its radius be?
Suppose a circle has center [math]\left(3,4\right)[/math] and has a radius of [math]5[/math]. What would its equation be?
Suppose a circle has center [math]\left(3,-4\right)[/math] and has a radius of [math]5[/math]. What would its equation be?
Suppose a circle has center [math]\left(-3,4\right)[/math] and has a radius of [math]5[/math]. What would its equation be?
Suppose a circle has center [math]\left(-3,-4\right)[/math] and has a radius of [math]5[/math]. What would its equation be?