KCSE MATHEMATICS QUESTIONS AND SOLUTIONS ~ Topically Analyzed
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QUESTION 10 | KCSE 2022 | GRAPHICAL METHODS | PAPER 2 | FORM 3 LEVEL A circle centre C(5, 5) passes through points A(1, 3) and B(a, 9). Find the equation of the circle and hence the possible values of a. (3 marks)
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âFind the radius and the coordinate of the centre of the circle whose equation is2x2 + 2y2 â 6x + 10y + 9 = 0 (3mks)Form 3 Mathematics
The equation of a circle is x2+ y2 - 4x + 6y + 4 = 0. On the grid provided, draw the circle.
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A circle whose equation is (x - 1)2 + (y - k)2 = 10 passes through the point (2,5).
Find the value of k. Form 3 Mathematics
The diameter of a circle, centre O has its end points at M(— 1, 6) and N(5, —2).
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The equation of a circle is given by x2 +4x +y2 -2y – 4 = 0. Determine the centre and radius of the circle
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The equation of a circle centre (a, b) is x2 – y2 – 6x - 10y + 30 = 0. Find the values of a and b.
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A circle whose equation is (x – 1)2 + (y- k)2 = 10 passes through the point (2,5). Find the coordinates of the two possible centres of the circle.
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The equation of a circle is given by 4x2 + 4y2+- 8x+ 20y – 7 = 0. Determine the coordinates of the centre of the circle.
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Find the radius and the coordinate of the centre of the circle whose equation is 2x2 + 2y2 – 3x + 2y + ½ = 0
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The points which coordinates (5,5) and (-3,-1) are the ends of a diameter of a circle centre A
Determine:
(a) the coordinates of A
(b) The equation of the circle, expressing it in form x2 + y2 + ax + by + c = 0 where a, b, and c are constants Form 3 MathematicsA circle centre O, ha the equation x2 + y2 = 4The area of the circle in the first quadrant is divided into 5 vertical strips of width 0.4 cm
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