Question

If the sum of the zeroes of the quadratic polynomial 3x2
-kx+6 is 3, then find
the value of k

Answer 1

Answer:

Find the sum of zeros of given quadratic polynomial -3x2+k ... The value of k if x = 3 and y = -2 is a solution of the equation 2x - 13y = k ...

Top answer · 21 votes

[tex] { - 3x}^{2} + k \: = 0 \: \: (quad.eq.) \ \: so \: sum \: of \: zeroes \: = \frac{ - ... More

Answer 2

Answer:

k=9

Step-by-step explanation:

$3 {x}^{2} - kx + 6$

we know

sum of zeroes of polynomial = - coefficient of x/ coefficient of x2

so 3= -(-k)/3

9=k