Vertex, maximum, and minimum
Quadratics and polynomials · Stage 3
Recognize the pattern
Vertex form shows the minimum or maximum directly.
Useful rulex=−b/(2a)
Build on: ADM-04
Try it before reading the solution
What is the minimum value of y = (x − 2)² + 3?
This teaching example is original and is not an official SAT question.
Reasoning
(x−2)² is never negative; it is zero at x=2, leaving y=3.
Answer3
03 · Next step
See membership →Ready for adaptive practice
Practice questions remain in English, as on the SAT.