Find the real solutions of the equation.x1/2 - 9x1/4 + 20 = 0
A. {5, 4}
B. {-5, -4}
C. {25, 16}
D. {625, 256}
Answer: D
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Provide an appropriate response. The local state fair had a building that housed both chickens and pigmy goats. One of the 4-H participants decided to create a puzzle for the others. He counted 224 legs belonging to 72 animals. How many pigmy goats and how many chickens were there in the building?
A. 50 pygmy goats and 24 chickens B. 40 pygmy goats and 32 chickens C. 56 pygmy goats and 4 chickens D. 32 pygmy goats and 32 chickens
Find the perimeter of the figure.
A. 100 yd B. 39 yd C. 48 yd D. 49 yd
Solve the equation.5n - n = 16
A. n = 64 B. n = 4 C. n = 6 D. n = 3
Find the vertex, focus, and directrix of the parabola. Graph the equation.y2 + 12y = 8x + 4
A. vertex: (-5, -6)
focus: (-7, -6)
directrix: x = -3
B. vertex: (-5, -6)
focus: (-5, -4)
directrix: y = -8
C. vertex: (-5, -6)
focus: (-5, -8)
directrix: y = -4
D. vertex: (-5, -6)
focus: (-3, -6)
directrix: x = -7