# 2303-ec3 - Math 2303 Extra Credit Test 3 You may work some...

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Math 2303 Extra Credit – Test 3 You may work some, all or none of these problems for extra credit on Test 3. Your work must be turned in at the beginning of the testing period on Thursday, April 9. No late work will be accepted. 1. Complete the table and see if you can reach a conclusion about the equation ( 29 2 2 2 x y x y + = + . x y ( 29 2 x y + 2 2 x y + 2 3 -2 -3 -2 3 2 -3 2. Solve for x: 0.5(2.6 4) 2.3(1.4 5) .85(1.8 3.1) x x x - + - = + 3. Suppose you want to purchase a house that will cost \$525,000. You make a down payment of 12.5% and finance the rest at 5.842% interest compounded monthly for 20 years. a. Find the monthly payment. b. Find the total amount of payments. d. Find the amount of interest paid over the life of the loan. 4. Suppose you surveyed your classmates to see if there was any relationship between time spent studying for the test and grade on the test. For each student surveyed, you asked how many hours were spent studying and the score on the grade.

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## This note was uploaded on 02/22/2012 for the course MATH 2302 taught by Professor Marks during the Fall '10 term at University of Houston.

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2303-ec3 - Math 2303 Extra Credit Test 3 You may work some...

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