kt110647 kt110647

14-07-2022
Mathematics

contestada

What is the x-coordinate of the vertex of the parabola whose equation is y = 3x² + 9x?
o-3
o-1 1/12
o-2/3

Respuesta :

sangers1959 sangers1959

14-07-2022

Answer: x=-1,5.

Step-by-step explanation:

[tex]y=3x^2+9x\\\boxed {x=-\frac{b}{2a} }\\a=3,\ \ \ \ \ b=9.\\x=-\frac{9}{2*3}=-\frac{3}{2}=-1,5.[/tex]

Ver imagen sangers1959

Answer Link

Otras preguntas

The scientific name of the mystery duck is

NEED HELP PLEASE ASAP!!!

Which of the following are true statements using the Associative Property of Multiplication? (a – b) – c = a – (b – c) a(b + c) = ab + ac a(bc) = (ab)c (a + b)

The Pancreas does not control your sugar level in the blood. True O False

in the diagram, which pair of angles are corresponding angles? A. 1 and 8 b. 4 and 6 c. 3 and 7 d. 2 and 4

What international declaration follows Washington's advice? A• Monroe Doctrine B• Treaty of Versailles C• Dollar Diplomacy D• Open Door Policy

Original DNA → T A C C A T G G A A C A A G T

32 + 4 (2 + 4) X 6 = 8 + 4 =

PLEASE HELP!!! 50 POINTS!!!!

What is NOT a safe skill you can employ to prevent your fellow teen passengers from distracting you while driving? A. Make sure someone you trust and who is re