shaikha3099oxk6ok shaikha3099oxk6ok

09-10-2017
Mathematics

contestada

f(x) = −(x2 + x − 72) what is the axis of symmetry and write it in standard form

Respuesta :

budwilkins budwilkins

09-10-2017

f(x) = -(x2+x-72)
y = -(x - 8)(x + 9)
the solutions are x = 8, -9; so the parabola is upside down (umbrella) crossing the x at 8 and -9, meaning that -9 + 8 = -1/2 = -0.5 is where the focus is, or x = -0.5 as the axis of symmetry

Answer Link

Otras preguntas

Unlike prokaryotic cells, eukaryotic cells have the ability to

What is market equilibrium

Best Buy sold 638 iPads during the month of May for a total, including tax, of $296,963.48; what was the average cost to the consumer?

The cost of a regular price ticket to a Saint Louis Cardinal baseball game was $60. During the World Series, the price increased by 2 ∕5 . What did the fans pa

A mass of rock formed when a large body of magma cools inside the crust is called a

a washer and a dryer cost 659$ combined. The washer costs 91$ less than the dryer, how much was the dryer?

The cost of a regular price ticket to a Saint Louis Cardinal baseball game was $60. During the World Series, the price increased by 2 ∕5 . What did the fans pa

A small publishing company is planning to publish a new book. The production costs will include the time fixed, costs (such as editing) and variable costs (such

15/18 + 1/2 - 1/3 - 2/6=

Water that flows downhill along Earth's surface is called