Use the Gauss-Jordan method to explain why the matrix 
has no inverse.
What will be an ideal response?
Row reduction of the original matrix results in a matrix with a row of zeros.
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Perform the indicated operations.(8a - 3b)(3a + 11b)
A. 24a2 - 9ab - 33b2 B. 24a2 + 88ab - 33b2 C. 24a2 + 79ab - 33b2 D. 24a2 + 79ab + 79b2
Find the value of ? in the interval [0°, 360°) that satisfies the given conditions.cos ? = - 
and ? in quadrant II
A. 150° B. 120° C. 240° D. 210°
Solve the problem.For what value of r does the infinite series 1 + 5r + 3r2 + 5r3 + r4 + 5r5 + 3r6 + 5r7 + r8 + ... converge?
A. |r| < 4
B. |r| < 1
C. |r| < 
D. |r| < 
Find the domain and range for the function.
A. D: {-6, -4, -2, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6} B. D: {-6, -4, -2, 0, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6} C. D: {-6, -4, 4, 6}; R: {-4, -2, 4, 6} D. D: {-4, -2, -1, 3, 4, 6}; R: {-6, -4, -2, 2, 4, 6}