The circle with equation
x2+y2−10x+ky+20=0x^2 + y^2 - 10x + ky + 20 = 0x2+y2−10x+ky+20=0
has radius 3.
Find the two possible values of the constant kkk.
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Markscheme
1.3.3 Coordinate geometry in the (x, y) plane Questions
8 exam-style questions on WJEC A Level Maths 1.3.3 Coordinate geometry in the (x, y) plane. Each one has a worked solution and a mark scheme showing where the marks go.