What is the distance from P to Q?
A. 1 unit
B. 25 units
C. 7 units
D. 5 units
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Answer: D. 5 units
Step-by-step explanation:
[tex]d=\sqrt{(x_{2} -x_{1} )^{2} +(y_{2} -y_{1} )^{2} } \\\\PQ=\sqrt{(3-(-1) )^{2} +(-1-(-4) )^{2} } \\\\PQ=\sqrt{4^{2}+3^{2} } \\\\PQ=\sqrt{16+9} \\\\PQ=\sqrt{25} =5[/tex]