hollymgriffis hollymgriffis

10-04-2015
Mathematics

Answered

solve for b:

b² = 8b + 84

Verified Answer :

Panoyin Panoyin

10-04-2015

b² = 8b + 84
b² - 8b - 84 = 0
b = -(-8) +/- √((8)² - 4(1)(-84))
   2(1)
b = 8 +/- √(64 + 336)
   2
b = 8 +/- √(400)
   2
b = 8 +/- 20
2
b = 4 + 10
b = 4 + 10 b = 4 - 10
b = 14 b = -6

Answer Link

Related Questions

Can you find three errors in this sentence Neither the man or his brother have any idea if the brick was thrown at him

Round 781407 to the nearest ten thousand

Declarative command interrogative or exclamatoryHe has ten fingers and ten toes

Think about a massive public project that might be done today such as building a large dam In terms of government power and authority how would this be similar

Which river flows through Paris and empties into the English Channel A Loire B Rhine C Thames D Seine

Which industry did not exist in the United States until the Second Industrial Revolution

There are 4 boys and they equally share 3 granola bars How much does each boy gets

Based on Chapter 3 of The Scarlet Letter, what do the circumstances of Hester Prynne's life reveal about the time period in which she lives? A. A woman was c

The development of small villages into the first cities was known as A Metropolitian revolution B Urban revolution C Cosmopolitan Revolution D city revolution

Do you agree with Galileos actions during his Inquisition Explain