SOLUTION: If five times the square of a positive number is added to the product of 31 and the number, the result is 28. Find the number.
Options are:
4/5
-4
-7/5
7
Algebra.Com
Question 1003671: If five times the square of a positive number is added to the product of 31 and the number, the result is 28. Find the number.
Options are:
4/5
-4
-7/5
7
Found 2 solutions by stanbon, MathLover1:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If five times the square of a positive number is added to the product of 31 and the number, the result is 28. Find the number.
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Equation:
5x^2 + 31x - 28 = 0
(5x-4)(x+7) = 0
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Ans: x = 4/5
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Cheers,
Stan H.
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Options are:
4/5
-4
-7/5
7
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
If times the of a positive number is added to the product of and the number , and the result is , we have
...........solve for
....factor completely
solutions:
if =>
if=>=>
Options are:
=> your option
-4
-7/5
7
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