Topic explanation

Standard explanation

(y-k)^2=4a(x-h) has vertex (h,k); translation does not change basic shape.

Key points

• Translated parabolas
• rule
• worked example
• Translated parabolas: (y-k)^2=4a(x-h) has vertex (h,k); translation does not change basic shape.
• CONCEPT AND RULE: (y-k)^2=4a(x-h) has vertex (h,k); translation does not change basic shape.
• METHOD: For translated parabolas, identify the given information and required result. Select the matching de
• (y-k)^2=4a(x-h) has vertex (h,k); translation does not change basic shape.
• Worked pattern: (y-1)^2=8(x+2) has vertex (-2,1).

Labelled diagram