The coefficients in the expression are -1 and 9
<h3>How to determine the coefficients?</h3>
The expression is given as:
-x^2 + 9x
In an expression ax, the coefficient is a.
Using the above as a guide, we have:
-x^2 + 9x
The coefficients in the above expression are -1 and 9
Read more about coefficients at:
brainly.com/question/27481600
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