lmarti0181 lmarti0181

23-06-2017
Mathematics

contestada

what number must you add to complete the square x^2+2x=13

Respuesta :

23-06-2017

You must halve the linear coefficient and then square it. In this case:

(2/2)^2=1 so you must add 1 to both sides of the equation...

x^2+2x+1=14 now the left side is a perfect square...

(x+1)^2=14

Answer Link

Otras preguntas

There are 30 names in a hat. If two names are picked without replacement, which expression shows the probability that Jack and Jill will be picked?

distinguish between serialist vs holist

simplify 7 to 6th power to 7 to the 5th power

advantages and disadvantages of living in city

Which example describes a behavioral adaptation?A. A bird builds its nest in the ash near a volcano.B. A whale has the ability to hold its breath for 20 minutes

Investments consist of treasury bills that were purchased in November, 2018 and mature in January, 2019. Prepaid insurance is for two years. What amount should

Two functions represent the composite function h(x) = (x – 1)³ + 10 so that h(x) = (g compose f)(x). Given f(x) = x + a and g(x) = x³ + b, what values of a and

"Let it be told to the future world, that in the depth of winter, when nothing but hope and virtue could survive, that the city and the country, alarmed at one

A water tank is 1•2m square and 1•35m deep. It is half full of water. How many times can a 9-litre bucket be filled from the tank

What is the tone of slay by Brittney Morris