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 ## Week 4 
 ### Quizzes
+- [Neural Networks: Representation](week4/neural-networks-quiz.md)
 
 ### Programming Exercises
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+# Neural Networks: Representation Quiz
+
+![Question 1](assets/neural-networks-1.PNG) 
+![Question 2](assets/neural-networks-2.PNG) 
+![Question 3](assets/neural-networks-3.PNG) 
+![Question 4](assets/neural-networks-4-1a.PNG) 
+![Question 4](assets/neural-networks-4-1b.PNG) 
+![Question 5](assets/neural-networks-5.PNG)