1) y = kx2 + 3x - 4 (-1 ; 2 ) k-3-4=2 k=9
2)y=-2x2 + kx - 6 -2-k-6=2 k=-10
1) 2 = k (-1)^2+ 3 * (-1) - 4 = k -3
k= 5
2) 2=-2* (-1)^2 + k*(-1) - 6 = -2 - k - 6
k=-10
1) y = kx2 + 3x - 4 (-1 ; 2 ) k-3-4=2 k=9
2)y=-2x2 + kx - 6 -2-k-6=2 k=-10
1) 2 = k (-1)^2+ 3 * (-1) - 4 = k -3
k= 5
2) 2=-2* (-1)^2 + k*(-1) - 6 = -2 - k - 6
k=-10