Evaluate the determinant. 
A. 37
B. 9
C. 6
D. 0
Answer: D
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A pair of similar triangles is shown. Find the measure of the segment marked with the letter x.
A. x = 12 B. x = 7 C. x = 21 D. x = 28
Add or subtract. Assume all variables represent positive real numbers.
+ 2
+ 6
A. 31
B. 8
C. 31
D. 8
The graph of a certain function y = f(x) and the zero of that function is given. Using this graph, find a) the x-intercept of the graph of y = f(x) and b) the solution to the equation f(x) = 0.
A. a. -5 b. x = 0 B. a. -6 b. x = -6 C. a. -5 b. x = -5 D. a. 0 b. x = -5
Graph the unit circle using parametric equations with your calculator set to radian mode. Use a scale of 
. Trace the circle to find the sine and cosine of 
to the nearest ten-thousandth.
?
__________
?
__________
What will be an ideal response?