Question

Verify whether the following are zeros of the polynomial normal indicated against them-
1-P(y)=2y²+5y- 3 at y=-1/2
2-P(z)=z²+z-6 at z= -3
3-P(x)=2x³-3x²+5x-1 at x=1
4-P(t)=2x³-9x²+x+12 at x=3/2

please answer fast and correct​

Answer 1

Answer:

hope it helps you ,check out!