The standard form of the equation of a parabola is y= 1/2x^2 - 4x+21. What is
the vertex form of the equation?
A. y = 1/2(x+4)^2 +13
B. y= 1/2(x+4)^2 +21
C. y = 1/2(x-4)^2+21
D. y= 1/2(x-4)^2+13

Multiply. write your answer in simplest form. 3/8 x 5/7

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.