17-10-2017
Mathematics

contestada

what is (x-4)^2=28 when solved as a quadratic equation such as -4+-2 square 7

Respuesta :

zrh2sfo zrh2sfo

20-10-2017

Solve for x:(x - 4)^2 = 28
Take the square root of both sides:x - 4 = 2 sqrt(7) or x - 4 = -2 sqrt(7)
Add 4 to both sides:x = 4 + 2 sqrt(7) or x - 4 = -2 sqrt(7)
Add 4 to both sides:Answer: x = 4 + 2 sqrt(7) or x = 4 - 2 sqrt(7)

Answer Link

Otras preguntas

All of these substances are found in the cell membrane except phospholipids cholesterol transport proteins ribosomes

Thr area of a square is 36 centimeters what is the length of each square

1.There are many advantages of doing morning exercise. (Closet meaning) A. benefits B. disadvantages C.badpoints D. diffculties

what are two different ways to express time after year 1 on the gregorian calendar? HELP

i need help please don't know this

Write electronic configuration of first 30 elements in their sub shell

Write -0.450 as a fraction in simplest form.

An explorer is the first to map a region that has hills, canyons, and flat areas. What type of map should the explorer create? Exspain.

I am in 7th grade and need help on the graphic organizer for the Battles of Lexington and Concord because I got my whole paragraph writing from another person o

3x Are 10 - 20 and 5(2 - 20) equivalent expressions? Explain.