If one zero of the quadratic polynomial x ^ 2 + kx + 2 is 1, then what is the value of k?

Question

asked Feb 5, 2024 138k views

1 Answer

Vkatsuba · Answer 1 · 2024-02-11T19:02:17+0000

Answer: -3

Explanation:

by puggin in 1 to the equation, you get 1^2 + k + 2 = 0, which equals 3 + k; to solve, bring 3 to the other side to get k = -3.