Write equations of the horizontal and the vertical lines that pass through the given point.

A. horizontal: y = - ;
vertical: x = -1
B. horizontal: y = ;
vertical: x = -1
C. horizontal: y = x;
vertical: x = -1y
D. horizontal: y = -1;
vertical: x = 


Answer: B

Mathematics

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Two similar triangles are given. Find the proportionality constant k such that the length of each side of the larger triangle is k times the length of the sides of the smaller triangle. Then find the length of the missing sides of each triangle.

A. QS = 3, UV = , TV = 
B. QS = 3, UV = , TV = 
C. QS = 2, UV = , TV = 
D. QS = 2, UV = , TV = 

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Write the sum or difference as a product containing only sines and/or cosines.cos  + cos 

A. 2 sin(2?) sin 
B. 2 sin(2?) sin ?
C. 2 cos(2?) cos 
D. 2 cos(2?)

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Solve.What percent of 1.2 is 6?

A. 15% B. 20.2% C. 500% D. 20%

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Find the value(s) of k that makes the second polynomial a factor of the first.kx3 + 8x2 - 29x - 180; x + 4 

A. 5 B. 1, -1 C. 1 D. 5, -9 E. -1

Mathematics