Find the equation of the axis of symmetry of the parabola.y = 2x2 + 20x + 48
A. x = -2
B. x = -5
C. x = 5
D. x = 2
Answer: B
Mathematics
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Find the limit if it exists.
(9x - 3)
A. 57 B. -51 C. -57 D. 51
Mathematics
Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 + 2x + 2y - 23 = 0
A. Center (1, 1), r = 5
B. Center (-1, 1), r = 5
C. Center (1, -1), r = 5
D. Center (-1, -1), r = 5
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula and a calculator. Express any solutions rounded to two decimal places. Use 3.14 to approximate ?.?x2 + ?x - 4 = 0
A. {-1.73, -0.73} B. {-0.73, 1.73} C. {-1.73, 0.73} D. {0.73, 1.73}
Mathematics
Subtract.88 - (-22)
A. 110 B. -66 C. -110 D. 66
Mathematics