Solve the equation.4x = -4
A. {-4}
B. {-1}
C. {4}
D. {1}
Answer: B
Mathematics
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Simplify the expression.
A. -5 B. -5j C. 5 D. 5j
Mathematics
Find dy/dx by implicit differentiation.xy + x + y = x2y2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A biologist recorded 3 snakes on 16 acres in one area and 8 snakes on 28 acres in another area. Let y be the number of snakes in x acres. Write a linear equation for the number of snakes.
A. y = 
x - 
B. y = 
x + 
C. y = 
x + 
D. y = - 
x + 
Mathematics
For each graph, determine which line has the greater slope.
A. both slopes are undefined B. both lines have the same slope C. dashed line D. solid line
Mathematics