Question

What should be the value of k if the value of the expression 4x2 - 5x + k is -1 for x = -1?​

Answer 1

Step-by-step explanation:

hope this will help you :):):)

Answer 2

Answer:

0

Step-by-step explanation:

4x2-5x +k= -1

4x2-5x+k+1=0

x= -1

Sub"x" in expression

4(-1)^2-5(-1)+ k +1=0

4 -5 +1+k=0

5-5+k=0

k=0