robbinsalexis robbinsalexis

23-04-2017
Mathematics

contestada

X^2-4X+??=(X-??)^2? Complete the square to form a true equation

Respuesta :

23-04-2017

To complete the square you need to halve the linear coefficient -4/2, square it, 4, and add that value, giving you:

x^2-4x+4 and that is a perfect square equal to:

(x-2)^2

Answer Link

Otras preguntas

An 8-sided fair die is rolled twice and the product of the two numbers obtained when the die is rolled two times is calculated. (a) Draw the possibility diagram

Simplify the expression. (-3 + 6i)(-3 + 5i)

How do you write this quadratic equation using substitution

Given an anticipated inflation premium of 1.45% and a real rate of interest of 4.34%, what is the nominal interest rate? Round your answer to 4 decimal places.

America did not join the League of Nations because A. European powers did not want America to join B. Republicans in Congress fought the idea, C. Woodrow Wilson

What were muckrakers? A. City sanitation workers B. A political party C. Writers and journalists O D. A labor union

Pongan las botellas en ______ cesto. Maria wants her friends to put bottles in the trash can nearest her. How does she say "Put the bottles in this basket? a. e

Solve the equation A = bh for b.

Nativism was the main policy supported by a) democrars b)whigs c) Know-nothings d) free soldiers

Sort each conflict as internal or external. Fire threatens a farm. Ella fears failure. A town fights invaders. Anu faces a bully. Tim curbs his temper. Al's shy