Answer:
[tex]2\sqrt{13}[/tex]
Step-by-step explanation:
[tex]\sqrt{y-44xz}\qquad when\qquad x=-2, y=8, z=\frac{1}{2} \\\\\sqrt{8-44*(-2)*(\frac{1}{2} )}\\\\\sqrt{8+44}\\\\\sqrt{52}\\\\\sqrt{2^{2}*13 } \\\\2\sqrt{13}[/tex]
