A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3) has area equal to the absolute value of D, where D = 
.Find the area of the triangle having vertices at P, Q, and R.P(1, -2), Q(1, 3), R(5, -1)
A. 7
B. 0
C. 20
D. 10
Answer: D
Mathematics
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Find the second derivative of the function.y = 
A. 
= 1 + 
B. 
= 2 + 
C. 
= 2x - 
D. 
= 2 - 
Mathematics
Identify the figure and name it using the labels shown.
A. line X, or 
B. ?X
C. point X
D. ray X, or 
Mathematics
Factor completely. If a polynomial cannot be factored, say it is prime.3x5 - 6x3
A. 3x4(x - 2x) B. 3(x5 - 2x3) C. 3x3(x2 - 2) D. x5(3x2 - 6)
Mathematics
Calculate. Write answer in lowest terms.
- 
A. 
B. 1
C. 15
D. 
Mathematics