gulla123 gulla123
  • 23-10-2017
  • Mathematics
contestada

Find the axis of symmetry for this parabola : y= 2(x-7)(x+9)

Respuesta :

wolf1728
wolf1728 wolf1728
  • 23-10-2017
y = 2(x-7)(x+9)
y = 2x - 14x (x +9)
y = 2x^2 +18x -14x^2 + 126x
y = -12x^2 +144x
axis of symmetry = -b / 2a
= -144 / 2*-12
= 6
axis of symmetry x = 6





Answer Link

Otras preguntas

A cylindrical can holds 500 mL and has a radius of 4 cm. Calculate the height of the can, to the nearest tenth of a centimetre.
What was the option given in 1986 to illegal aliens to become legal residents? a. Origin Requirement Act c. Immigration Reform and Control Act b. Immigration Co
Which describes South Carolinian John C. Calhoun's position on the issue of states rights and the Union? A. States had to obey the federal government's laws. B
The base of a parallelogram is28.4 centimeters the height is one fourth of the base. What the area of the parallelogram?
what is a wave that bounces back from a barrier called?
A collection of dimes and nickels is worth $6.90. There are 96 coins in all. How many of each coin are there?
From France’s point of view, do you think the Congress of Vienna’s decisions were fair?
Which describes South Carolinian John C. Calhoun's position on the issue of states rights and the Union? A. States had to obey the federal government's laws. B
what does standard deviation mean?
what does standard deviation mean?