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By Using the discriminant find out which solution set we obatin for each of the following quadratic equations.
13x2 +1= 5x
Solution
Firstly get the equation in standard form.
13x2 - 5x + 1 = 0
Then we have,
a = 13 b = -5 c=1
Plugging in the discriminant gives,
b2 - 4ac = ( -5)2 - 4 (13) (1) =-27
The discriminant is negative & thus we will have two complex solutions. For reference reason the actual solutions are,
solve x-y=8 and x+y=4 using one of the algebraic methods
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the perimeter of a triangle is 76 centimeters. the second side is twice as long as the first side. the third side is four centimeters shorter then the second side. how long is each
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