If one zero of the quadratic polynomial x2 + kx – 10 = 0 is 2, then value of k is : (1)
A. 10
B. 3
C. – 7
D. – 2
Answer:B
If one zero of the quadratic polynomial x2 + kx – 10 = 0 is 2, then value of k is : (1)
A. 10 B. 3 C. – 7 D. – 2