mclovingmc mclovingmc

13-06-2017
Mathematics

contestada

What number must be added to the expression below to complete the square?

x2 - 9x

A .-18/4
B. -9/2
C 81/4
D 9/2

Respuesta :

13-06-2017

Take the 'b' term and divide by 2, then square it.
(-9/2)^2 = 81/4
Letter C

Answer Link

Otras preguntas

Explain the relationship in the following analogy. bomb:explosion

Which of the following is true about functional text? A. Good readers use textual features such as titles, headings, different font sizes, and graphics to read

Ms Kelly puts more than 5 apples in each bag. Write an inequality to represent the number of apples in a bag

Who has access to the floor when the legislature is in session?

How can formal business documents help managers solve problems? A: By creating a record of every action taken during a meeting. B: By presenting well-organized,

8.6 + 7.54 + 9.38 6 x (36-20) 1.4 + 3.22 + 5.1 (7 - 3) x 5 =

For we must consider that we shall be as a "city upon a hill." The eyes of all people are upon us. Which best describes John Winthrop’s “city upon a hill”? a we

please answer and explain why.

Find the standard equation for the ellipse, using the given characteristic or characteristics. vertices:(0,+-7) foci: (0,+-√33

Charles Darwin observed a unique beak size and shape in the finch population of each of the Galapagos Islands that he visited. Which is the most likely cause o