Solve using matrices.x - 5y = -4x + 8y = -4
A. (0, -4)
B. (4, 0)
C. (0, 4)
D. (-4, 0)
Answer: D
Mathematics
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A. y = 
ex/2
B. y = ex -1
C. y = 
ex/2 - 
D. y = x2
Mathematics
Solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the slope of the line.
A. 10.1 point(s) per thousand dollars B. 1000 point(s) per thousand dollars C. 100 point(s) per thousand dollars D. 1 point(s) per thousand dollars
Mathematics
Find the real solutions of the equation.(x - 4)2 + 3(x - 4) - 18 = 0
A. {-2, 7} B. {-6, 1} C. {-7, 2} D. {-1, 6}
Mathematics
Factor completely, or state that the polynomial is prime.x2 + 25
A. (x + 5)2 B. (x - 5)2 C. (x + 5)(x - 5) D. prime
Mathematics