Find the value of k if -4 is a zero of the quadratic polynomial x2 – x – (2k+2) (a) 9 (b) 7 (c) 11 (d) -9
Answers
Answered by
3
Answer:
Step-by-step explanation:
x^2-x-(2k + 2)=0
x=-4
substituting x=-4 in the equation
16+4-(2k+2)=0
2k+2=202k=18
k=18/2=9
therefore option (A) is correct answer
Answered by
2
Your answer is......
option (A) 9.....
hope it will help you.......
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