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

Which of the following statements about salinity is true? Question 1 options: Ocean water near rivers has a lower salinity. Ocean water near areas with low evap

Which of the following best paraphrases how bed bugs are spread? OA. Bed bugs can be transferred from person to person while traveling because their flat bodies

Using Trigonometric ratios, solve the following triangle for x, round answer to the nearest hundredths place. Х 59° 28

Find points on graph!

please answer the question i need help

help meeeeee the choices and question is there :)

If ADEF = AJKL, DE = 18, EF = 23, DF = 9x - 23, JL = 7x-11, and JK = 3y - 21, find the values of x and y.

Which sentence is the clearest example of alliteration?

A fort had enough food for 120 soldiers for 200 days. After 5 days 30 soldiers leave the for . How long will the remaining food last now ?

Lucy spent a total of $6.60 on 5 apples and a package of grapes. If the package of grapes cost $2.35, how much did each apple cost? Do not put a $ in your answe