rhineharttori rhineharttori

08-03-2019
Mathematics

contestada

What number should be added to the expression x^2 + 4x to change it into a perfect square trinomial

Choose all correct answers

4

1

8

2

Respuesta :

jimrgrant1 jimrgrant1

08-03-2019

Answer:

4

Step-by-step explanation:

given

x² + 4x

To change it into a perfect square

add (half the coefficient of the x- term)² to x² + 4x

x² + 4x + ([tex]\frac{4}{2}[/tex])²

= x² + 4x + 2² = x² + 4x + 4

and x² + 4x + 4 = (x + 2)² ← a perfect square

Answer Link

Otras preguntas

ÉcrireFaites le portrait d'une personne que vous admirez en utilisant au moins : un épithète uneapposition • un complément du nom une proposition subordonnée re

What are the values ?? HELP PLEASE

help ASAP USE ANSWERS GIVEN TO ANSWER!!!!!!!!!!!!!!

The Supreme Court has the power to A.control the federal budget B. vote to end a tie in the Senate C. approve presidential appointments D. Interpret the Consti

Which of the following is true of the digital video recording of today

nalen PaintingsJapanENow, let us find out if you have learned something on what you haveread.Learning Task 2: In your answer sheet, answer the following questio

the machine which I give you is of no use anymore pick out the subordinate clause and main clause

Complete the sentence. The horizontal asymptote of f(x) = 0.8x is y = 0. The horizontal asymptote of h(x) = 0.8x– 10 is y =

What is the value of x? 7/6= x/19

. Sara collected $135 in donations for the hospital. This represents 5% of the total amount collected by her class. How much did the class collect in all? * $6.

good job