Question

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

Answer 1

`\huge\boxed{4}`

Explanation:

=>
`√(b^2-4ac)`

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

=>
`√((8)^2-4(3)(4))`

=>
`√(64-48)`

=>
`√(16)`

=> 4