Seudónimo Seudónimo

24-03-2017
Mathematics

contestada

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

1

2

4

8

Respuesta :

konrad509 konrad509

24-03-2017

4

[tex]x^2+4x+4=(x+2)^2[/tex]

Answer Link

Аноним Аноним

24-03-2017

x² + 4x + 4 = (x+2)²

Answer is 4.

Hope it helps!

Answer Link

Otras preguntas

If it takes 72 muscles to produce human speech, if one of them stops what happens. No sound at all? Or a little unstable?

How does the ending of The Tragedy of Macbeth by William Shakespeare inspire feelings of pity for Macbeth? Macbeth is grieving the loss of Lady Macbeth. Macbe

Which is a key component of the energy molecule ATP? sodium phosphorus chlorine sulfur

Why were the members of the Third Estate dissatisfied with their way of life under the Old Regime?

Blindness, both literal and figurative, is a recurring theme in Sophocles’s Oedipus trilogy. How does Sophocles depict this theme in Antigone? A.He juxtaposes C

Which item can a consumer expect to find in a retail store? a. Steel to make cars in a factory b. Asphalt to pave an interstate highway c. Airplanes to move mil

What role did railroads play in the Industrial Revolution

what is 0.08 as a fraction

What is the difference between multipolar, bipolar, and unipolar neurons?

Evaluate the strenghts and weaknesses of Andrew Jackson as president