Minimum/Maximum of a Parabola
Source:
June 7, 2009
conicsparabolaanalytic geometryquadraticsfunctioncalculusderivative
Problem Statement
The graph of y \equal{} 2x^2 \plus{} 4x \plus{} 3 has its:
(A)\ \text{lowest point at } {(\minus{}1,9)}\qquad
(B)\ \text{lowest point at } {(1,1)}\qquad \\
(C)\ \text{lowest point at } {(\minus{}1,1)}\qquad
(D)\ \text{highest point at } {(\minus{}1,9)}\qquad \\
(E)\ \text{highest point at } {(\minus{}1,1)}