Find the equation of a circle with radius 3 units and centre (0, 0). The radius, \(r = 3\) and \(r^2 = 9\), so the equation of the circle is \(x^2 + y^2 = 9\). What is the radius of the circle given ...
Save guides, add subjects and pick up where you left off with your BBC account. Practise finding the equation of a circle and using the discriminant to prove for tangency in intersections with this ...
Sommige resultaten zijn verborgen omdat ze mogelijk niet toegankelijk zijn voor u.
Niet-toegankelijke resultaten weergeven
Feedback