Find the vertex, focus, and directrix of the parabola. Graph the equation.(x - 1)2 = 4(y + 1)
A. vertex: (1, -1)
focus: (1, 0)
directrix: y = -2
B. vertex: (-1, 1)
focus: (0, 1)
directrix: x = -2
C. vertex: (1, -1)
focus: (2, -1)
directrix: x = 0
D. vertex: (-1, 1)
focus: (-1, 2)
directrix: y = 0
Answer: A
You might also like to view...
Provide an appropriate response.Find 
at t = 0 for the function w = sin(x) cos(y) ln(z) where x = 2t2 + 10t + 
, y = t, z = e7t.
A. 7e7 B. 7 C. 1 D. 14
Solve the problem. Round to the nearest cent unless otherwise noted.Find the selling price of an item which cost a store $153. The store has a 30% markup on cost.
A. $198.90 B. $117.69 C. $510.01 D. $45.90
Convert the degree measure to radians. Round to the nearest ten-thousandth.18°
A. 0.6283 B. 0.2094 C. 0.3142 D. 0.1571
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.P = 2L + 2W; L = 8, W = 6
A. 96 B. 14 C. 22 D. 28