For x = -4
2x2 + x = 2 (-4)2 + (-4) = 32 - 4 = 28
2
Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.
All the time
The centre is (-5, 3)
You have to put your heart into it!
2
Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.
All the time
2222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222
The minimum value of the parabola is at the point (-1/3, -4/3)
The centre is (-5, 3)
X=1
You have to put your heart into it!
7
7(3y-2)-(-4y+9)
k = 0.1
{-1,7}