nylancallaghan72 nylancallaghan72

02-05-2020
Mathematics

contestada

Complete the square for the expression x^2 + 8x

Complete the square for the expression x2 8x class=

Respuesta :

macygmac macygmac

02-05-2020

x2 - 8x + 16 = 16
(x-4)(x-4) = 16
(x-4)2 = 16
x - 4 = ± 4

So, either
x - 4 = +4 or x - 4 = -4
x = 8 or x = 0

Answer Link

Otras preguntas

Propane and oxygen react according to the equation: C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(g). How many grams of water can be produced from the complete combustion o

I am a polyhedron. I am a prism. my two bases are hexagon. my two other faces are rectangles.

Each verb below, one noun does not go with it. Which one? 1/ discover ( the truth, a cure, DNA, gold ) 2/ make ( cars, a discovery, a phone call ) 3/ tell ( hel

Mario drew a model to represent one third of the space in his bookcase. how could mario draw a model to represent all the space in his bookcase.

25% of what nember is 19

mike constructed a closed box that measures 2.5 feet long by 3 feet wide by 1.5 feet high. what is the total area of the material mike needs to construct the bo

why a flat surface of a rectangular prism called faces?

WHICH EXPRESSION IS EQUIVALENT TO SIN 22 COS 18 + COS 22 SIN 18?

THE EXPRESSION (TAN THETA) (CSC THETA) IS EQUAL TO?

which organism would more closely resemble it's parent,one produced by asexual reproduction,or one produced by sexual reproduction? why?