1.\u00a0[latex]\\left(3,-7\\right)[\/latex]<\/p>\n
2.\u00a0[latex]-10[\/latex]<\/p>\n
3.\u00a0[latex]\\left(-2,\\frac{3}{5},\\frac{12}{5}\\right)[\/latex]<\/p>\n
1.\u00a0A determinant is the sum and products of the entries in the matrix, so you can always evaluate that product\u2014even if it does end up being 0.<\/p>\n
3.\u00a0The inverse does not exist.<\/p>\n
5.\u00a0[latex]-2[\/latex]<\/p>\n
7.\u00a0[latex]7[\/latex]<\/p>\n
9.\u00a0[latex]-4[\/latex]<\/p>\n
11.\u00a0[latex]0[\/latex]<\/p>\n
13.\u00a0[latex]-7,990.7[\/latex]<\/p>\n
15.\u00a0[latex]3[\/latex]<\/p>\n
17.\u00a0[latex]-1[\/latex]<\/p>\n
19.\u00a0[latex]224[\/latex]<\/p>\n
21.\u00a0[latex]15[\/latex]<\/p>\n
23.\u00a0[latex]-17.03[\/latex]<\/p>\n
25.\u00a0[latex]\\left(1,1\\right)[\/latex]<\/p>\n
27.\u00a0[latex]\\left(\\frac{1}{2},\\frac{1}{3}\\right)[\/latex]<\/p>\n
29.\u00a0[latex]\\left(2,5\\right)[\/latex]<\/p>\n
31.\u00a0[latex]\\left(-1,-\\frac{1}{3}\\right)[\/latex]<\/p>\n
33.\u00a0[latex]\\left(15,12\\right)[\/latex]<\/p>\n
35.\u00a0[latex]\\left(1,3,2\\right)[\/latex]<\/p>\n
37.\u00a0[latex]\\left(-1,0,3\\right)[\/latex]<\/p>\n
39.\u00a0[latex]\\left(\\frac{1}{2},1,2\\right)[\/latex]<\/p>\n
41.\u00a0[latex]\\left(2,1,4\\right)[\/latex]<\/p>\n
43.\u00a0Infinite solutions<\/p>\n
45.\u00a0[latex]24[\/latex]<\/p>\n
47.\u00a0[latex]1[\/latex]<\/p>\n
49.\u00a0Yes; 18, 38<\/p>\n
51.\u00a0Yes; 33, 36, 37<\/p>\n
53.\u00a0$7,000 in first account, $3,000 in second account.<\/p>\n
55.\u00a0120 children, 1,080 adult<\/p>\n
57.\u00a04 gal yellow, 6 gal blue<\/p>\n
59.\u00a013 green tomatoes, 17 red tomatoes<\/p>\n
61.\u00a0Strawberries 18%, oranges 9%, kiwi 10%<\/p>\n
63.\u00a0100 for movie 1, 230 for movie 2, 312 for movie 3<\/p>\n
65.\u00a020\u201329: 2,100, 30\u201339: 2,600, 40\u201349: 825<\/p>\n
67.\u00a0300 almonds, 400 cranberries, 300 cashews<\/p>\n\n\t\t\t Candela Citations<\/h3>\n\t\t\t\t\t