Coordinate Geometry
p(x) = x2 - 1, x = 1, - 1p(1) = (1)2 - 1 = 1 - 1 = 0p(-1) = (-1)2 - 1 = 1 - 1 = 0∴ 1, - 1 are zeroes of p(x).
Sponsor Area
Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer.4x2 - 3x + 7