Card 1 of 21
Expanding a squared bracket gives [...]\text{[...]}[...].
A
The outside multiplier 333 applies to the correction.
B
For y=a(x−h)2+ky=a(x-h)^2+ky=a(x−h)2+k, the turning point is (h,k)\boxed{(h,k)}(h,k).
C
−2(x−2)2+9-2(x-2)^2+9−2(x−2)2+9
D
Expanding a squared bracket gives (x+p)2=x2+2px+p2\boxed{(x+p)^2=x^2+2px+p^2}(x+p)2=x2+2px+p2.
Card 1 of 21
1.2.5 Completing the square Flashcards
21 flashcards on OCR A Level Maths 1.2.5 Completing the square: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.