Card 1 of 23
The perfect-square identity is [...]\text{[...]}[...].
A
(x+5)2−18(x+5)^2-18(x+5)2−18
B
Factor 222 from the xxx-terms: 2(x2+6x)+72(x^2+6x)+72(x2+6x)+7.
C
The turning point is (h,k)(h,k)(h,k).
D
The perfect-square identity is (x+p)2=x2+2px+p2\boxed{(x+p)^2=x^2+2px+p^2}(x+p)2=x2+2px+p2.
Card 1 of 23
1.4.3 Completing the square for a quadratic curve Flashcards
23 flashcards on OCR (MEI) A Level Maths 1.4.3 Completing the square for a quadratic curve: the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03.