Match the given equation with one of the graphs.x2 + y2 - 10x + 8y = -25
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify.
A. 
B. 
C. 
D. 1
Mathematics
Convert to an exponential equation.ln 6a = 2.1
A. 2.1e = 6a B. ea = 2.16 C. e6 = 2.1a D. e2.1 = 6a
Mathematics
Graph the system of inequalities, and find the coordinates of the vertices.3y + x ? 0,y + 2x ? 10,y ? 0
A. 
B. 
C. 
D. 
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors. log3
A. 
log3x + 
log3y - 
log3z
B. 
log3x ? 
log3y ÷ 2log3z
C. 
log3x + 
log3y - 2log3z
D. 8log3x + 5log3y - 2log3z
Mathematics