be9zashorsey be9zashorsey

01-01-2017
Mathematics

contestada

If f(x) = (x - 3)2 , find all values of x for which f(x) = 36.

Respuesta :

olemakpadu olemakpadu

01-01-2017

f(x) = (x - 3)²,

For f(x) = 36

(x - 3)² = 36

Take the square root of both sides

√(x - 3)² = √36

(x - 3) = +6 or - 6

x = 3 + 6 or 3 - 6

x =9 or - 3

The values of x are -3 and 9.

Answer Link

Otras preguntas

Which ratio is equivalent to the ratio 32:40? A 16 to 20 B 30:16 C 16 to 30 D 20:16

How many solutions does x²+3x=3 have?

A construction crew has two 100ft. beams with which to form the walls of a tent that needs to be 80ft. high. At what angle do they need to place the beams into

4 lb. 8 oz. − 1 lb. 2 oz. =

Which Nutrient does your body prefer to use for energy, because it can burn longer and more efficiently? * Carbohydrates Vitamins Water Fat Protein

Please help me with this question its due tonight!!

Pls look at the pined image to see what I am struggling with

A small firm intends to increase the capacity of a bottleneck operation by adding a new machine. Two alternatives, A and B, have been identified, and the associ

What is the area of the unshaded portion of this figure?

What number makes the expression a perfect square? X squared -12x +