Find an equation for the parabola described.Vertex at (0, 0); focus at (1, 0)
A. y2 = 1x
B. x2 = 4y
C. y2 = -4x
D. y2 = 4x
Answer: D
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Construct the indicated rotation.A 90° rotation of the trapezoid about point A
What will be an ideal response?
For the graph below, use the nearest neighbor algorithm to find an approximate minimum Hamilton circuit and its weight, starting at the indicated vertex.
Starting at A
A. A ? B ? C ? D ? F ? E ? A; weight = 102 B. A ? D ? E ? B ? C ? F ? A; weight = 102 C. A ? D ? C ? B ? E ? F ? A; weight = 102 D. A ? D ? C ? B ? F ? E ? A; weight = 102
Identify the row operation that produces the resulting matrix.
? 
A. (-1)R2 ? R2 B. R1 + (-1)R2 ? R2 C. (-1)R1 + R2 ? R2 D. R1 + (-1)R2 ? R1
In this problem, 
and its graph are given. Use the graph of 
to determine where 
is concave down.
?
A. 
B. 
C. 
D. 
E. 