Question

What is the value of the expression below when y = 6?у? — 5у – 4

Answer 1

Given data:

The given expression is y^2 — 5у – 4.

Substitute 6 for y in the given expression.

$\begin{gathered} (6)^2-5(6)-4=36-30-4 \\ =2 \end{gathered}$

Thus, the value of the given expression is 2.