03-06-2020
Mathematics

contestada

If 4x^2 – bx + 81 is a perfect square trinomial. Then the value of b is

Respuesta :

SvetkaChem SvetkaChem

03-06-2020

Answer:

b = 36

Step-by-step explanation:

perfect square: a² - 2ac + c²

4x²- bx + 81 = (2x)² - bx + 9² = (2x)² - 2*(2x)*(9) +9²= (2x)² - 36x +9²,

so b = 36

Answer Link

Otras preguntas

Explain what are the usefulness of a dictionary

In everyday speech, the words fusion and amalgamation are rarely used, but the concept is expressed in the notion of a human ________ in which diverse racial or

Automated bidding does the heavy lifting for advertisers on Google Ads. What does automated bidding use to set the right bid for every auction? A. Ad extensions

A group of 5 people paid for general admission to the museum. Some of the people also bought movie tickets. The whole group spent a total of $108 for general ad

R. Patel, D. Arno, and S. Adams have operated their partnership for several years, sharing income and loss equally. The partners decide to liquidate. Immediatel

write the functions of a torch.Please tell the answer.

Admission to the circus is $16 for adults and eight dollars for children write an expression to find the total cost of three adult tickets and 8 children’s tick

in what way are mercury and venus similar ?

Need help with this please.

(x +y) + Z commutative property of addition