Use the quadratic formula to find any x-intercepts on the graph of the equation.y = 2x2 + 8x + 5
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Find the vector from the origin to the center of mass of a thin triangular plate (uniform density) whose vertices are A(10, 4, 2), B(7, 9, 5), and C(2, 8, 10).
A. 
i + 7j + 
k
B. 
i - 
j - 8k
C. 
i - 1j - 
k
D. 
i - 
j - 
k
Mathematics
Find the product.-6x4(-10x7 - 4x2 + 10)
A. 60x11 + 24x6 - 60x4 B. 60x11 - 4x2 + 10 C. 60x7 + 24x2 - 60 D. 60x11 + 24x6
Mathematics
The graph of a function f is given. Use the graph to answer the question.How often does the line y = 4 intersect the graph?
A. once B. twice C. three times D. does not intersect
Mathematics
Use the substitution method to solve the system. 3x + y = 0-3x + y = -6
A. (-1, -3) B. (-1, 3) C. (1, 6) D. (1, -3)
Mathematics