Answer:
The answer to your question is below
Step-by-step explanation:
The answers for 1, 3 and 4 are given in decimals and roots.
1) [tex]\sqrt{2^{2} - 4(3)(-6)}[/tex]
[tex]\sqrt{4 + 72}[/tex]
[tex]\sqrt{76}[/tex]
[tex]2\sqrt{19} = 8.71[/tex]
2) [tex]\sqrt{1^{2} -4(1)(-6)}[/tex]
[tex]\sqrt{1 + 24}[/tex]
[tex]\sqrt{25}[/tex]
5
3) [tex]\sqrt{1^{2} - 4(1)(-11)}[/tex]
[tex]\sqrt{1 + 44}[/tex]
[tex]\sqrt{45}[/tex]
[tex]3\sqrt{5} = 6.7[/tex]
4) [tex]\sqrt{8^{2} -4(5)(2)}[/tex]
[tex]\sqrt{64 - 40}[/tex]
[tex]\sqrt{24}[/tex]
[tex]2\sqrt{6} = 4.89[/tex]
