Which of the following is a product of elementary matrices for the matrix
?
? 
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Solve the equation by factoring.x3 + 6x2 - x - 6 = 0
A. 1, -6, 6 B. 36 C. -1, 1, -6 D. -6, 6
Mathematics
Solve the equation
Mathematics
Find z1z2. Express the answer in standard form.z1 = 5(cos 150° + i sin 150°)z2 = 2(cos 90° + i sin 90°)
A. -5 - 5i
B. 5
- i
C. 10
- 10i
D. 5 - 20i
Mathematics
Identify the equation as a parabola, ellipse, or circle.x2 + y2 = 16
A. Circle B. Ellipse C. Parabola D. None of the above
Mathematics