# Chapter 1 - Section 1.8 - Exponents and Order of Operations - Exercise Set - Page 100: 79

-7

#### Work Step by Step

Plug in 5 for y and then simplify the expression. $\frac{6y-4y^2}{y^2-15}$ $\frac{6(5)-4(5)^2}{(5)^2-15}$ $\frac{6(5)-4(25)}{(25)-15}$ $\frac{30-100}{(25)-15}$ $\frac{-70}{10}$ -7

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