Simplify.(-34)3
A. -2187
B. -531,441
C. 2187
D. 531,441
Answer: B
Mathematics
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Find the focus and directrix of the parabola.y2 = -12x
A. F: (0, -3); D: y = 3 B. F: (-3, 0); D: y = 3 C. F: (3, 0); D: x = -3 D. F: (-3, 0); D: x = 3
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Answer the question or provide an example or explanation.Are the two expressions equivalent? Give numerical values for x and y to back up your answer. (x + y)80 ; x80 + y80
What will be an ideal response?
Mathematics
Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.
(x + 2) > 
(5x + 1)
A. x > 1; 
B. x ? 1; 
C. x < 1; 
D. x ? 1; 
Mathematics
Simplify the expression. If any variables exist, assume that they are positive.6
- 5x
A. 2x
B. (6 - 5x)
C. x
D. Cannot be simplified
Mathematics