Find an equation of the parabola described.Vertex at (0, 0); axis of symmetry the x-axis; containing the point (3, 9)
A. x2 = 
y
B. y2 = 
x
C. y2 = 27x
D. x2 = 27y
Answer: C
Mathematics
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Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = e2x+32x + y = 3
A. x = -0.75, y = 4.50 B. x = -0.75, y = -4.50 C. x = 0.75, y = 4.50 D. x = 0.75, y = -4.50
Mathematics
Express the radical in simplified form. Assume that all variables represent positive real numbers.
A. 3k18 B. 3k5 C. 27k5 D. -3k5
Mathematics
Verify the formula for 
and 
. Is it correct?
?
?
?
A. no
B. yes
Mathematics
If an island's only residents are penguins and bears, and if there are 17 heads and 38 feet on the island, how many penguins and how many bears are on the island? ? The number of bears is __________. ? The number of penguins is __________. ?
What will be an ideal response?
Mathematics