1. Let's start by stating the problem: "Solve for zeros" means finding the values of the variable (usually $x$) that make the function equal to zero.
2. The general formula or rule is: To find zeros of a function $f(x)$, solve the equation $$f(x) = 0$$.
3. Important rules:
- Zeros are also called roots or x-intercepts.
- For polynomial functions, factorization helps find zeros.
- If the function is factored as $$f(x) = (x - a)(x - b)\cdots$$, then zeros are $x = a, b, \ldots$.
4. Example: Solve for zeros of $$f(x) = x^2 - 5x + 6$$.
5. Factor the quadratic:
$$x^2 - 5x + 6 = (x - 2)(x - 3)$$
6. Set each factor equal to zero:
$$x - 2 = 0 \Rightarrow x = 2$$
$$x - 3 = 0 \Rightarrow x = 3$$
7. So, the zeros of the function are $x = 2$ and $x = 3$.
8. This means the graph of $f(x)$ crosses the x-axis at these points.
9. If the function cannot be factored easily, use other methods like the quadratic formula or numerical methods.
10. Summary: To solve for zeros, set the function equal to zero and solve for $x$ using factoring, formulas, or other algebraic methods.
Solve Zeros
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