Answer the question.What value for x makes the expression 1 + 8x equal to 9?
A. 2
B. 0
C. 4
D. 1
Answer: D
Mathematics
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Find all the spanning trees in the graph.
What will be an ideal response?
Mathematics
Solve by the method of your choice. Identify whether the system has no solution or infinitely many solutions, using set notation to express the solution set.
A. {(0, 10)}
B. {(5, -10)}
C. ?
D. {(x, y) 
}
Mathematics
The slope of the tangent line to the graph of the exponential function 
at the point (0, 1) is 
Estimate the slope to three decimal places.
What will be an ideal response?
Mathematics
Solve the equation by completing the square.x2 + 10x - 19 = 0
A. { ± 2
}
B. {-5 ± 2
}
C. {2
± 5}
D. {-5 ± 2
}
Mathematics