A Quadratic Equation Has Been Transformed Using the Rotation Equations $( \pm 3,0 )$

question 82

Multiple Choice

A quadratic equation has been transformed using the rotation equations x = 0.8u - 0.6v and y = 0.6u + 0.8v.
Convert the given point from (u, v) coordinates back to (x, y) coordinates.
-hyperbola foci $( \pm 3,0 )$

• A) \(( 2.4,0 )\) and \(( - 2.4,0 )\)
• B) \(( 2.4,1.8 )\) and \(( - 2.4 , - 1.8 )\)
• C) \(( 1.8,2.4 )\) and \(( - 1.8 , - 2.4 )\)
• D) \(( 0,1.8 )\) and \(( 1.8,0 )\)

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