Test2AW19.pdf - MATH 1250 Linear Algebra TEST 2A Duration...

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MATH 1250 Linear Algebra TEST 2A Duration: 70 min Page 1 March 13, 2019 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Family Name Given Names Student Number Instructions: No books or notes may be used. No cell phones or other electronic aids are permitted. Only non-programmable non-graphing calculators may be used. This test counts for 20% of the final grade in the course. Show your work in all problems. 1 2 3 4 5 6 7 Total / 37
MATH 1250 Linear Algebra TEST 2A Duration: 70 min Page 2 March 13, 2019 1. Let A = 1 0 2 (a) Find a basis for C ( A ). (3 points) (b) What is the dimension of N ( A )? Justify your answer. (1 points) (c) Find a basis for Span { x 2 + 2 x + 1 , 3 x 2 - x, 5 x 2 + 3 x + 2 } which is a subspace of the real polynomials of degree at most 2. Justify your answer. (2 points) 1 3 5 2 - 1 3 .
MATH 1250 Linear Algebra TEST 2A Duration: 70 min Page 3 March 13, 2019

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