To evaluate the function \( g(x) = x^2 - 5x + 2 \) when \( x = -1 \), substitute \( x = -1 \) into the equation:

\[
g(-1) = (-1)^2 - 5(-1) + 2
\]

Simplifying:

\[
g(-1) = 1 + 5 + 2 = 8
\]

So, \( g(-1) = 8 \).

Would you like more details on how this was calculated?

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Here are 5 related questions to expand your understanding:

1. How would you evaluate \( g(x) \) when \( x = 2 \)?
2. Can you find the vertex of the quadratic function \( g(x) = x^2 - 5x + 2 \)?
3. What is the value of \( g(x) \) when \( x = 0 \)?
4. How do you determine the axis of symmetry for the quadratic function \( g(x) \)?
5. Can you find the roots of \( g(x) = 0 \)?

**Tip**: Always check your sign when substituting negative values into an equation!

Learn how to evaluate the function g(x) = x^2 - 5x + 2 at x = -1 with a step-by-step solution. Understand the process of substituting values into quadratic functions and calculating results. Suitable for Grades 7-9.

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