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Determine whether x=3x=3x=3 is a root of P(x)=2x2+8x−42P(x)=2x^2+8x-42P(x)=2x2+8x−42
Root
Not a Root
Determine whether x=−1x=-1x=−1 is a root of P(x)=6x2−x−2P(x)=6x^2-x-2P(x)=6x2−x−2
Determine whether x=12x=\frac{1}{2}x=21 is a root of 4x2−17x+154x^2-17x+154x2−17x+15
Determine whether x = 3 is a root of P(x)=x3+2x2−4x−8P(x)=x^3+2x^2-4x-8P(x)=x3+2x2−4x−8
Determine whether x=−1x=-1x=−1 is a root of P(x)=x2+2x+1P(x)=x^2+2x+1P(x)=x2+2x+1
Not Root
Determine whether x = -1 is a root ofP(x)=x2−9x−10P(x)=x^2-9x-10P(x)=x2−9x−10
Determine whether x=4x=4x=4 is a root of 2x4−6x3−4x+122x^4-6x^3-4x+122x4−6x3−4x+12
Determine whether x=12x=\frac{1}{2}x=21 is a root of x3−x2−x−2x^3-x^2-x-2x3−x2−x−2
Determine whether x=1x=1x=1 is a root of P(x)=x3−x2+4x−4P(x)=x^3-x^2+4x-4P(x)=x3−x2+4x−4
Determine whether x=3x=3x=3 is a root of P(x)=4x2−17x+15P(x)=4x^2-17x+15P(x)=4x2−17x+15
It is done.