rupakarki369 rupakarki369
  • 18-01-2021
  • Mathematics
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7k^2+9k=0 quadratic equation​

Respuesta :

shaylirose
shaylirose shaylirose
  • 18-01-2021

Answer:

k = 0

k = - [tex]\frac{9}{7}[/tex]

Step-by-step Explanation

Quadratic Equation​:

7[tex]k^{2}[/tex]=9k = 0

a = 7

b = 9

c = 0

k =  [tex]\frac{-9+-\sqrt{9^{2}-4x7x0 } }{2x7}[/tex]

Simplify:

k = [tex]\frac{-9+-9}{14}[/tex]

Separate Equations:

k = [tex]\frac{-9+9}{14}[/tex]

k = [tex]\frac{-9-9}{14}[/tex]

Solve:

k = 0

k = - [tex]\frac{9}{7}[/tex]

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