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Find the discriminant of the quadratic 5x^2 - 2x + 8 - 2x^2 + 6x + 2.

 Jun 22, 2024
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Find the discriminant of the quadratic 5x^2 - 2x + 8 - 2x^2 + 6x + 2.   

 

 

Combine like terms                              3x2 + 4x + 10  

 

When a quadratic is in the form ax2 + bx + c   

the discriminant is (b2 – 4ac)   

 

In this case, that's (42) – (4)(3)(10)  =  16 – 120  =  104  

.

 Jun 23, 2024

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