AzayliaD342156 AzayliaD342156
  • 03-11-2022
  • Mathematics
contestada

Question 12Which equation contains a perfect square trinomial?O x2 - 6x + 72 = 0O x2 + 2x - 4 = 0O2? + 14x + 49 = 0O x2 – 5x + 64 = 0

Respuesta :

ColetteB49643 ColetteB49643
  • 03-11-2022

A perfect square trinomial has a general structure which is

[tex]a^2\pm2ab+b^2[/tex]

The one that meets this structure is

[tex]x^2+14x+49[/tex]

We know it because it can be re written as

[tex]x^2+2\cdot7\cdot x+7^2[/tex]

Which shows in a more explicit way the estructure of a perfect square trinomial. The right answer is c

Answer Link

Otras preguntas

The ______ theory of color vision holds that we perceive colors because of pairs of receptors that make antagonistic responses.
Calculate: -26squared -43cubed
Whatever the quality improvement approach, what key concept(s) is/are common between each approach?
Need help. Every equation I’ve thought of ends up not working out.
THIS IS MUSIC/MATH PROBLEMS ANSWER FIRST 2 quarter note+quarter note=1 HELP PLEASE
If m<3 is five times the measure of its supplement (<4), then determine the measure of each angle.
Is 100 feet per 2 seconds a unit rate
If available the body will always digest which macromolecule for energy first?
Which answer best explains how the Articles of Confederation set up governmental roles for declaring war? A. Congress could declare war if needed. B.The sta
The question is: What is the relative age of layer 3? (Hint: With what absolute ages can you compare it?)