Solve the equation by completing the square.7x2 - 2x - 4 = 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the vertex, focus, and directrix of the parabola. Graph the equation.y2 = 8x
A. vertex: (0, 0)
focus: (2, 0)
directrix: x = -2
B. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
C. vertex: (0, 0)
focus: (-2, 0)
directrix: x = 2
D. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
Mathematics
Solve the problem.Decide which of the rational functions might have the given graph. 
A. f(x) = 1 + 
B. f(x) = 1 - 
C. f(x) = 
- 1
D. f(x) = 1 - x
Mathematics
Estimate by rounding as directed.0.06 + 81 + 0.73; nearest one
A. 85 B. 83 C. 80 D. 82
Mathematics
Find the slope of the line passing through the pair of points or state that the slope is undefined.(8, -14) and (14, 19)
A. 
B. 
C. - 
D. 
Mathematics