Question 704498: five times the quare of a number is 980. What is the number?
i used x^2 + 5x -980
a=1 b=5 c=-980
Answer by jim_thompson5910(35256)   (Show Source):
You can put this solution on YOUR website! "five times the quare of a number is 980"
translates to
5x^2 = 980
Solve for x
5x^2 = 980
x^2 = 980/5
x^2 = 196
x = sqrt(196) or x = -sqrt(196)
x = 14 or x = -14
Therefore, the number is either 14 or -14.
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