\begin{array}{l}{\text { If } p-2, q=4 \text { and } r=-2, \text { find each of the }} \\ {\text { following: }} \\ {\text { a. } \frac{2 p}{q}} \\ {\text { b. } \frac{3 p^{3} q}{q^{3}}} \\ {\text { c. } \frac{2 q}{p}+\frac{3 r}{q}-\frac{4 p}{r}} \\ {\text { d. } \frac{p^{2}+p-2 q r}{4}}\end{array}

\begin{array}{l}{\text { If } p-2, q=4 \text { and } r=-2, \text { fin

1.	\begin{array}{l}{\text { If } p-2, q=4 \text { and } r=-2, \text { find each of the }} \\ {\text { following: }} \\ {\text { a. } \frac{2 p}{q}} \\ {\text { b. } \frac{3 p^{3} q}{q^{3}}} \\ {\text { c. } \frac{2 q}{p}+\frac{3 r}{q}-\frac{4 p}{r}} \\ {\text { d. } \frac{p^{2}+p-2 q r}{4}}\end{array}
Answer» a)22/4=1b)3(2)^2(4)/(4)^3=3/4c)(8-8+4)/-16=-1/4d)24/2+3(-2)/4-42/(-2)=4-3/2+4=13/2e)(4+2+16)/4=22/4=11/2