01-10-2017
Mathematics

contestada

The quadratic x^2-6x+66 can be written in the form (x+b)^2+c, where b and c are constants. What is b+c?

Please help me!!!!!!!!

Respuesta :

mathmate mathmate

01-10-2017

Complete the square!

x^2-6x+66
=((x-3)^2-9) + 66
=(x-3)^2+57
so
b=-3, c=57
b+c=-3+57=54

Answer Link

Otras preguntas

The original Almohads and Almoravids were both a part of which group? a. Muslim reformers b. Bantu-speaking peoples c. Swahili peoples d. Arab peoples

This is Europe's major mountain range. It contains some of Europe's tallest peaks.

What is Newtons second law of motion?

The Velvet Revolution took place in _____. Romania Bulgaria Poland Czechoslovakia

What term is used for a legal document which proposes a series of reasons, each beginning with Whereas..., for following a particular course of action? a resolu

Select the most reasonable estimated answer. 748.36 – 297.78 a. 300 b. 350 c. 400 d. 450

What is the table for y=8x+12

A pH of 2 indicates a(n) _____.

Dave has 15$ to spend on an 8$ books and two birthday cards (c) for his friends . how much can he spend on each card if he busys the same card for each other ?

the lithosphere is made up of the ____