Graph the ellipse.4x2 + 36y2 = 144
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Frank's algebra grade is based on the average of four exams, which will count equally. His grades are 75, 80, 70 and 85. Find his average.
A. 72.5 B. 77.5 C. 82.5 D. 92.5 E. 87.5
Mathematics
Factor the trinomial completely.2x4 - 12x3 + 18x2
A. Prime B. 2(x2 - 3)(x2 + 3) C. 2x2(x - 3)(x - 3) D. 2x2(x - 9)(x + 1)
Mathematics
Solve the inequality. Write the solution in interval notation and graph the solution set.-12x - 6 ? -3(3x - 2)
A. [-4, ?)
B. (-?, -4]
C. (-?, -4)
D. [-4, ?)
Mathematics
Solve the equation.-81 - 7x = -18 + 2x
A. {-9} B. {7} C. {9} D. {-7}
Mathematics