4.
U allu write it in the set builder form.
Sum of the zeroes of the polynomial p(x) = x2 - kx + 9 is 7. Find the
value of K.
5
Answers
Answered by
2
Answer:
k = 7
Step-by-step explanation:
Let us say that the zeroes are a and b.
We will use the relations between coefficients and zeroes of a quadratic equation.
a + b = -(-k)/1 = k
But it is given that the sum of zeroes is 7.
Hence, k = 7
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