Write an equation for the parabola with vertex at the origin.Focus 
A. y2 = - 
x
B. x2 = - 
y
C. x2 = -68y
D. y2 = 
x
Answer: B
Mathematics
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Find an equation of variation for the given situation.y varies directly as z, and y = 50 when z = 400.
A. y = -2z
B. y = 
z
C. y = 8z
D. y = - 
z
Mathematics
Provide an appropriate response.Find the inverse matrix of 
.
What will be an ideal response?
Mathematics
Refer to the figure in which 
? 
and 
? 
If m
Mathematics
Factor the difference of cubes.8a3b6 - 27b3
A. (2ab2 - 3b)(4a2b4 + 6ab3 + 9b2) B. b3(2ab + 3)(4a2b2 - 6ab + 9) C. b3(2a - 3b)(4a2 + 6ab + 9b2) D. b3(2ab - 3)(4a2b2 + 6ab + 9)
Mathematics