The x intercepts is at (-2, 0), (-1, 0) and (1, 0) while the y intercept is at (0, -2).
Polynomial
Polynomial is an expression that involves only the operations of addition, subtraction, multiplication of variables.
Polynomials are classified based on degree as linear, quadratic, cubic etc.
A polynomial is said to be cubic if it has a degree of 3.
Given the cubic polynomial:
f(x) = x³ + 2x² - x - 2
Plotting using geogebra graphing tool, the x intercepts is at (-2, 0), (-1, 0) and (1, 0) while the y intercept is at (0, -2).
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