Question

one of root of equation 5m^2+2m+k=0
is 7/5complete the activity & Find k​

Answer 1

Answer:

k=63/5

Step-by-step explanation:

Therefore, 5m^2+2m+k=0

Therefore, 5 x (7/5)^2 + 2 x (7/5) + k=0

Therefore, 5 x 49/25 + 14/5 + k=0

Therefore, 49/5 + 14/5 + k=0

Therefore, 63/5 +k = 0

Therefore, k = -65/5

Answer 2

there is the ans same as one...