0 of 7 Questions completed
Questions:
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 7 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Average score 

Your score 

Express 7 as a difference of squares
In how many ways can 30 be expressed as a difference of squares in whole numbers?
Solve x^{2} – y^{2} = 11 in whole numbers:
Solve (x–1)^{2} – (x–3)^{2} = 20 in whole numbers:
Solve (x+2)^{2} – (y+1)^{2} = 16 in whole numbers
Solve (2x–1)^{2} – (y+2)^{2} = 17 in whole numbers
The base of a rightangled triangle is 13. What are the other sides given that they are whole numbers?