Wat is de afstand
tussen de toppen
van de parabolen
y = −x² + 4x − 4 en
y = x² − 8x + 16 ? 		A.  12
B.  2
C.  6
D.  4
E.  6
                 

[ 4-5741 - op net sinds 25.4.2020-(E)-20.10.2023 ]

Translation in   E N G L I S H

IN CONSTRUCTION
Distance between the
two vertices (turning point) 		A.  
B.  
C.  
D.  
E.  

Oplossing - Solution

y = − x² + 4x − 4 = − (x² − 4x + 4) = − (x − 2)² → T(2,0)
y = x² − 8x + 16 = (x − 4)² → T(4,0)
4 − 2 = . . .