Evaluate the algebraic expression for the given values of the variables.-7y2 for y = -2
A. 28
B. -14
C. 14
D. -28
Answer: D
Mathematics
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Find the LCD of the list of fractions.
, 
, 
A. 10 B. 6 C. 15 D. 30
Mathematics
Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.y + 9 = (x + 3)2
A. vertex: (3, 9)
axis of symmetry: x = 3
B. vertex: (- 3, - 9)
axis of symmetry: x = - 3
C. vertex: (- 3, 9)
axis of symmetry: x = - 3
D. vertex: (3, - 9)
axis of symmetry: x = 3
Mathematics
Graph the function.y = 
cot x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The distance in miles that can be seen on the surface of the ocean is given by
where h is the height above the surface of the water. How many feet high above the water (to the nearest tenth) would a pirate have to climb to see 15 miles?
A. 441.0 ft B. 57.4 ft C. 114.8 ft D. 5.4 ft
Mathematics