Question

If the value of the polynomial p(x) = 2x² + kx - 5 at x = 5 is 50 , then k = ____.

Answer 1

Answer:

we have to just put the value of X

Step-by-step explanation:

2x^2+kx-5=50

2(5*5)+k(5)-5=50

2(25)+5k-5=50

50-5+5k=50

45+5k=50

5k=50-45

5k=5

k=5/5

k=1

I hope this may help u out