Question

verify that -2,5,1 are the cubic polynomial
p(x)= x^3 - 4x^2 - 7x + 10

Answer 1

Answer:

p(x)=x^3-4x^2-7x+10

p(x)=-2^3-4*(-2)^2-7*(-2)+10

=(-8)-16+14+10

=0

sim p(5)=0

p(1)=0