2.2 Zeroes of a Polynomial

Step 1

Let $p(x) = x^2 - 2x$ .

Step 2

Evaluate at $x = 2$ : $p(2) = (2)^2 - 2(2) = 4 - 4 = 0$ . Since $p(2) = 0$ , 2 is a zero.

Step 3

Evaluate at $x = 0$ : $p(0) = (0)^2 - 2(0) = 0 - 0 = 0$ . Since $p(0) = 0$ , 0 is a zero.

Final Answer

Both 2 and 0 are zeroes.

Operation

Polynomial: ax^3 + bx^2 + cx + d

a (x^3 coeff)

b (x^2 coeff)

c (x coeff)

d (constant)

x value

y value

z value

Select an operation and enter values.