bbc bbc
  • 26-02-2015
  • Mathematics
Answered

complete the perfect square v^2-2v=3

Answer :

Panoyin
Panoyin Panoyin
  • 27-02-2015
v² - 2v = 3
v² - 2v - 3 = 0
v = -(-2) +/- √((-2²) - 4(1)(-3))
                    2(1)
v = 2 +/- √(4 + 12)
                2
v = 2 +/- √16
           2
v = 2 +/- 4
           2
v = 2 + 4    v = 2 - 4
         2                2
v = 6          v = -2
      2                 2
v = 3          v = -1
Answer Link

Other Questions

Need to know please help What must be true of a bill which has become law at a federal level It must have been signed by the president It must be in the best in
How do I solve 5 12 divided by 2 34
Which group did nazi ideology consider superior to other people
What is an example of a metaphor in Mrs Frisby and the Rats of NIMH
On a map the distance between two cities is 73 centimeters The map scale is 1 cm50 km What is the actual distance between the two cities
An athlete runs 90 laps in 6 hours This is the same as how many laps per minute A 115 B 19 C 14 D 12 E 1
What effect did increased trade have upon many countries Merchants financed new voyages of discovery It brought in more capital Soldiers were hired to protect m
Noah wants to buy a purebed golden retriever puppy that he sees for 499By the time he goes to buy it the price has increased to 599 Find the percent markup in t
A 1650 kg car accelerates at a rate of 40 ms2 How much force is the cars engine producing
one that calls Muslim worshipers to prayer