DSC 1520 ASSIGNMENT 2
Johns Hopkins University
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DSC 1520 ASSIGNMENT 2
- Exam (elaborations) • 5 pages • 2021
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Question 1 
a.) Non-linear 
b.) Parabola 
Question 2 
50= (x+2)(2x+10) 
50= 2x2+14x+20 
0= x 
2+7x-15 
X= (-7±√109)/2 
X= -8,72015 or X= 1,72015 
Question 3 
a.) [(x+3)(x+4)] / (x+3) 
=x+4 
b.) √x4 
y 
4 
=x² y² 
c.) (9a-8b 
6 
) / (36a4b 
-2 
c 
-4 
) 
= (9b6b 
2 
c 
4 
) / (36a4a 
8 
) 
= (b8 
c 
4 
) / (4a12) 
-400 
-300
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