Use the given table for y = ax2 + bx + c to solve ax2 + bx + c < 0 or ax2 + bx + c > 0, as indicated.y = x2 + 11x + 28; ax2 + bx + c < 0
A. x < 4 or x > 7
B. x < -7 or x > -4
C. 4 < x < 7
D. -7 < x < -4
Answer: D
You might also like to view...
Explain the behavior of the graph of f(x) as it approaches its vertical asymptote.f(x) =
A. Approaches ? from the left and the right B. Approaches -? from the left, approaches ? from the right C. Approaches -? from the left and the right D. Approaches ? from the left, approaches -? from the right
Graph the system of inequalities and the points of intersection of the graphs. Label the points of intersection with their coordinates.
A. O(0, 0), A(0, -8)
B. O(0, 0), A(0, -8)
C. O(0, 0), A(0, -8)
D. O(0, 0), A(0, -8)
Decide whether the pair of lines is parallel, perpendicular, or neither.9x + 3y = 1215x + 5y = 23
A. parallel B. perpendicular C. neither
Find the standard form of the equation for the ellipse satisfying the given conditions. Center (0, 0), vertical major axis of length 10 and minor axis of length 8
A. +
= 1
B. +
= 1
C. +
= 1
D. +
= 1