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How to solve using quadratic equations 4x^2+7x-20=0

Sagot :

Answer:

Step-by-step explanation:

Y =  Ax2 Bx C

Enter coefficients here >>>  4 7 -20

   

Standard Form: y = 4x²+7x-20    

1.75 0.875 0.765625 3.0625 -23.0625

Grouped  Form: No valid Grouping      

   

Graphing Form: y = 4(x+0.88)²-23.06    

     

Factored Form: PRIME    

   

Solution/X-Intercepts: -3.28 AND 1.53    

   

Discriminate =369 is positive, two real solutions    

   

VERTEX: (-0.88,-23.06)     Directrix: Y=-23.13    

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