themajesty9898
themajesty9898 themajesty9898
  • 20-03-2018
  • Mathematics
contestada

What number should be added to the expression x²+14x to change it into a perfect square trinomial?

7
14
28
49

Respuesta :

jimthompson5910 jimthompson5910
  • 20-03-2018
Answer: D) 49

To get this answer, divide the x coefficient 14 in half to get 7. Then square 7 to get 49.
Answer Link

Otras preguntas

Find all points on the​ x-axis of a cartesian coordinate system that are 55 units from the point ​(0,33​).
Determine whether the given linear equations are parallel, perpendicular, or neither. 5x - 3y = - 6 3x + 5y = - 20
Josie bought a new mirror. The mirror has 5 sides. What is the shape of the mirror?
The perimeter of a rectangle is 24cm. if the area of the rectangle is 27cm2 find the length and width of the rectangle
how do the federal and unitary systems of government differ
The way to earn a college diploma is to: A.Attend techincal schools. B.complete all college requirments. C.dropout of high school. D.Complete on-the-job traini
mike works T cheesecake king. he earns $11 per hour as a busboy.
Where is Barrier island located?
Use substitution to solve the system. x-2y=7 2x+5y=5 X= Y=
A physical map primarily shows: Question 2 options: Boundaires Population landforms Symbols and patterns