Question

Can I get some help

Answer 1

The answer to your question is below

Explanation:

The answers for 1, 3 and 4 are given in decimals and roots.

1)
`\sqrt{2^(2) - 4(3)(-6)}`

`√(4 + 72)`

`√(76)`

`2√(19) = 8.71`

2)
`\sqrt{1^(2) -4(1)(-6)}`

`√(1 + 24)`

`√(25)`

5

3)
`\sqrt{1^(2) - 4(1)(-11)}`

`√(1 + 44)`

`√(45)`

`3√(5) = 6.7`

4)
`\sqrt{8^(2) -4(5)(2)}`

`√(64 - 40)`

`√(24)`

`2√(6) = 4.89`