Rational Expressions of Polynomials

Question

0

442

1

+206

What is the sum of all values of $y$ for which the expression $\frac{y+6}{y^2-5y+4}$ is undefined?

oliviapow06 Feb 15, 2021

CubeyThePenguin · Answer 1 · 2021-02-20T12:20:01

Factor the expression: $\frac{y+6}{(y-1)(y-4)}$

The asymptotes are at y = 1 and y = 4, so the sum is 5.