Question

if m = -5, what is \\(\sqrt{-16m + 20}\\)?

Explanation:

Step1: Substitute $m=-5$ into expression

$\sqrt{-16(-5) + 20}$

Step2: Calculate inside the radical

$\sqrt{80 + 20} = \sqrt{100}$

Step3: Compute square root

$\sqrt{100} = 10$

Answer:

10