MATH 210 Midterm: MATH 210 NIU Practice Test2
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[1a] find the y-intercept of the line 3x + y = 4: (a) 1. (b) 2. (c) 3. (d) 4. (e) none of the above. [2a] find the point of intersection of the lines: 2x 3y = 8 and 4x y = 2. 5 (a) (cid:18)7 (b) (cid:18)7 (c) (cid:18) 1. 14 (d) ( 4, 0). (e) none of the above. In the solution: (a) z = 23 (b) z = 15 (c) z = 17 (d) z = 19 (e) none of the above. w. [4a] consider the inverse (if it exists) of: If possible, nd the entry in the rst row and second column of ab. (a) -14 (b) 6 (c) 12 (d)13 (e) the product is unde ned. 16 (a) a only. (b) a and b only. (c) a,b,c and d. (d) b and d only. (e) some other selection.
