Question

7k^2+9k=0 quadratic equation​

Answer 1

k = 0

k = -
`(9)/(7)`

Explanation

Quadratic Equation​:

7
`k^(2)`=9k = 0

a = 7

b = 9

c = 0

k =
`\frac{-9+-\sqrt{9^(2)-4x7x0 } }{2x7}`

Simplify:

k =
`(-9+-9)/(14)`

Separate Equations:

k =
`(-9+9)/(14)`

k =
`(-9-9)/(14)`

Solve:

k = 0

k = -
`(9)/(7)`