Determine the coordinates of the focus and the equation of the directrix of the parabola.y2 = -4x
A. F(0, -1), y = 1
B. F(1, 0), x = -1
C. F(-1, 0), y = 1
D. F(-1, 0), x = 1
Answer: D
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The following table is generated using an exponential function. Fill in the missing values. Round your answer to two decimal places. t 3.51 4.51 5.51 6.51 y 24.40 43.92
What will be an ideal response?
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = 3y2 - 18y + 26
A. 
opens right; vertex (-1, -3);
axis of symmetry y = -3
B. 
opens right; vertex (-1, 3);
axis of symmetry y = 3
C. 
opens right; vertex (1, 3);
axis of symmetry y = 3
D. 
opens left; vertex (-1, 3);
axis of symmetry y = 3
Apply the distributive property.(x + y - 2)(-7xy)
A. 7x2y - 7xy2 +14xy B. -7x2y + 7xy2 +14xy C. -7x2y - 7xy2 +14x2y2 D. -7x2y - 7xy2 +14xy
Find the value of x or y so that the line through the pair of points has the given slope.(-1, 2) and (4, y); m = -2
A. -8 B. 11 C. -9 D. 9