19-03-2021
Mathematics

contestada

what is the x-coordinate of the vertex of the parabola whose equation is y=3×^2+9×

Respuesta :

21-03-2021

Answer:

Step-by-step explanation:

y = 3x² + 9x

= 3(x² + 3x)

= 3(x² + 3x + 1.5²) -3·1.5²

= 3(x+1.5)² - 6.75

vertex (-1.5, -6.75)

Answer Link

Otras preguntas

15 + 6x = 3 ( x - 1 )

In 1781, six years into the american revolution, where did american troops fight the final battle of the war?.

Write me a long personal narrative about your life?

Find the area of the figure.

devaki is an engineer who is designing network security for her company's infrastructure. she is incorporating protections for programming flaws, default settin

The Pardoner's Tale from The Canterbury Tales Summary

Question 10 What are two reasons why European nations went to war in the Middle Ages? For each reason, give an example of a specific war.

Please help me with this I will give brainliest

which of these statements would a buddhist agree with?

Which of the given functions could this graph represent? A. f(x) = (x − 1)(x − 2)(x + 1)(x + 2) B. f(x) = x(x − 1)(x − 2) C. f(x) = x(x − 1)(x − 2)(x + 1)