callaway12x callaway12x

01-03-2017
Mathematics

contestada

What number should be added to the expression x2 + 4x to change it into a perfect square trinomial?

Respuesta :

morgaine816 morgaine816

01-03-2017

4. Then you have x^2+4x+4 which gives you (x+2)(x+2) when you factor it.

Answer Link

michelpantoja07 michelpantoja07

01-03-2017

ax^2+bx+x=0 so divide it by two
x^2+4x+4(b=4, 4/2 is 2 and 2^2 is 4 that's the number

Answer Link

Otras preguntas

F(x)=-2x+6 f(-5) step by step

NEED RN, WORTH 30! ~ please and thank you! <3the first photo is number one, and the second photo is number two :)

what was the temperature change in Celsius degree if it is changed from 44 degree fahrenheit to -56 degree fahrenheit

2. What are the 4 ways that the article+noun+adjective need to agree in Spanish?

Question 4 (1 point) (02.01 MC) A bird park has black and white birds in the ratio of 8 to 2 as shown below: Which is another ratio that can describe the black

Answer my math question I asked so many times I lost most of points by

how long should a personal statement be in your own words?

The total number of students in rolled at Berkmar middle school is 1400 students the ratio of boys to girls is 3 to 4 for the school how many students are boys

How do you- I cant think t-t help

For ΔABC with A(–5, –4), B(3, –2), and C(–1, 6), M is the midpoint of AB and N is the midpoint of BC . Show that MN = 1/2 AC. Provide your complete solution