A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3) has area equal to the absolute value of D, where 
. Use this information to solve the problem.Use D to find the area of the triangle shown.
A. 35.0
B. 34.0
C. 35.5
D. 34.5
Answer: B
Mathematics
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Factor and simplify the algebraic expression.(x + 7)-1/5 + (x + 7)-6/5
A. 
B. (x + 7)-1/5 + (x + 7)-6/5
C. 
D. (x + 7)6/5(x + 8)
Mathematics
First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = -9x2 - 2x - 12
A. No x-intercepts; y-intercept: -12
B. No x-intercepts; No y-intercepts
C. x-intercepts: - 
and - 
; y-intercept: 12
D. x-intercepts: 
and 
; y-intercept: -12
Mathematics
Graph the inequality.x + 2y ? 1
A. 
B. 
C. 
D. 
Mathematics
The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither
Mathematics