Factor completely.6x2 - 72x + 216
A. 6(x + 6)2
B. 6(x - 6)2
C. (6x + 72)2
D. (6x - 72)2
Answer: B
Mathematics
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Graph the polar equation.r = 7 cos 5?
A. 
B. 
C. 
D. 
Mathematics
Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = x2 - 5x + 1
A. x-intercepts: (-1, 0) and (5, 0)
B. x-intercepts: none
C. x-intercepts: 
D. x-intercepts: 
Mathematics
Simplify the expression.
4
A. 
B. 85
C. 3
D. 
Mathematics
Verify the identity.tan
= -cot x
What will be an ideal response?
Mathematics