# Chapter 7 - Exponents and Exponential Functions - 7-4 More Multiplication Properties of Exponents - Mixed Review: 88

$m=-9$

#### Work Step by Step

To find slope, we use the slope formula: $m=\frac{y_2-y_1}{x_2-x_1}$ We plug in the values for $x$ and $y$: $m=\frac{-9-0}{1-(0)}$ We simplify the expression using the order of operations: First, we simplify above and below the fraction bar by subtracting: $m=\frac{-9}{1}$ Then, we divide: $m=-9$

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