Tiff817 Tiff817
  • 25-10-2018
  • Mathematics
contestada

What number must be added to the expression below to complete the square? X^2-7x

Respuesta :

lucasella
lucasella lucasella
  • 25-10-2018

Answer:

49/4

Step-by-step explanation:

x² -7x +(7/2)²=(x-7/2)²

x²-2x·7/2+ (7/2)²=(x²-7/2)²

(7/2)²=49/4

Answer Link

Otras preguntas

Which characteristics relate to Coleridge?SELECT ALL THAT APPLY wrote about the supernatural wrote about the common life explored the world of the imagination s
Fill in the blank. The vertical _____ of the function cosecant are determined by the points that are not in the domain.
In ABC , a = 3, c = 19 A. m
4. An airplane at T(80,20) needs to fly to both U(20,60) and V(110,85). What is the shortest possible distance for the trip? 165units 170units 97units 169 uni
The function below shows the number of car owners f(t), in thousands, in a city in different years t: f(t) = 1.1t2 - 2.5t + 1.5 The average rate of change of f(
A sample of hexane (C6H14) has a mass of 0.580 g. The sample is burned in a bomb calorimeter that has a mass of 1.900 kg and a specific heat of 3.21 J/giK. What
What non-native species has been introduced to new york city from another country?
What is slope between the points (-5,7) and (4,-8)?
In the diagram, point O is the center of the circle and AC¯¯¯¯¯ and BD¯¯¯¯¯ intersect at point E. If m∠AOB = 90° and m∠COD = 16°, what is m∠CED? 37 48 53 62
In which zone would you expect to find the greatest abundance of marine organisms? Middle intertidal zone Supralittoral zone High littoral zone Low intertid