Question

Referring to the Fig. in Question #3, evaluate the expression shown when a = 3, b = 8, c = 4 Please help.

Answer 1

Answer:

$\huge\boxed{4}$

Step-by-step explanation:

=> $\sqrt{b^2-4ac}$

Given that a = 3 , b = 8 and c = 4

=> $\sqrt{(8)^2-4(3)(4)}$

=> $\sqrt{64-48}$

=> $\sqrt{16}$

=> 4