Evaluate the expression.|-4 - 5| - |-9 + 11|
A. 7
B. -11
C. 11
D. -7
Answer: A
Mathematics
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Solve the radical equation.
= 4
A. {16} B. {25} C. {15} D. {17}
Mathematics
Factor completely.2mn3 - 6mn + 8mn2 - 24m
A. 2(mn2 - 3)(n + 4m) B. 2m(n2 - 3)(n + 4) C. 2(n2 + 3)(mn - 4) D. 2m(n2 + 4)(n - 3)
Mathematics
Find the equation of the circle. Express the equation in standard form
A. (x + 3)2 + (y + 4)2 = 42 B. (x - 3)2 + (y + 4)2 = 42 C. (x + 3)2 + (y - 4)2 = 42 D. (x - 3)2 + (y - 4)2 = 42
Mathematics
Find the vertex and axis of symmetry of the graph of the function.f(x) = -9x2 - 2x - 5
A. 
; x = - 
B. 
; x = 
C. (9, -5); x = 9
D. 
; x = -9
Mathematics