Write the formula using the "language" of variation. A = ?r2, where A is the area of a circle of radius r.
What will be an ideal response?
The area of a circle varies directly as the square of its radius.
Mathematics
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Simplify.-3x × 6x
A. -18x2 B. 3x2 C. 3x D. -18x
Mathematics
Solve the problem.Determine whether (-2, -1, 5) is a solution of the system x - y + z = 4 2x - 8y - 3z = 24 3x + 4y + 2z = 7.
A. No B. Yes
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 4
A. 
B. 
C. 
D. 
Mathematics
Use the result ei? = cos ? + i sin ? to plot the complex number.6e(?i)/2
A. 
B. 
C. 
D. 
Mathematics