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Coordinate Geometry
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Write the equation of the circle:
(x-0)^2 + (x-3)^2 = 9
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The line joining any two points on the circle passing through its centre is called ________
Diameter
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That point from which all the points that constitute a circle are equidistant. It is generally represented by the letter ‘O’.
Center
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Write the equation of the circle:
(x - 2)^2 + (y - 3)^2 = 25
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Does the graph show a translation, reflection, rotation, or dilation?
Translation
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In the equation of the circle, what (h , k) represents?
center
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Does the graph show a translation, reflection, rotation, or dilation?
Dilation
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The length of the line joining the centre of the circle and any point on its circumference is called ________
Radius
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Write the equation of a circle
( x - h )^2 + ( y - k )^2 = r^2
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Does the graph show a translation, reflection, rotation, or dilation?
Dilation
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Does the graph show a translation, reflection, rotation, or dilation?
Reflection
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Identify the center and radius of the equation: (x-1)^2 + (y+3)^2 = 4
Center = (1,-3) Radius = 2
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When we rotate a figure a certain degree around a point
Rotation
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When we slide a figure in any direction
Translation
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When we flip a figure over a line
Reflection
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When we enlarge or reduce a figure.
Dilation
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