Use the unit circle to determine the value of the given expression or state that it is undefined.sin 
A. - 
B. - 
C. -1
D. 
Answer: B
Mathematics
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Graph the numbers on a number line.Positive integers between -5 and 5
A. 
B. 
C. 
D. 
Mathematics
Factor by grouping.15x2 + 18xy + 20xy + 24y2
A. (15x + 4y)(x + 6y) B. (3x + 4y)(5x + 6y) C. (3x + 4)(5x + 6) D. (3x - 4y)(5x + 6y)
Mathematics
Use the equation and the corresponding graph for the quadratic function to find what is requested.f(x) = -2(x - 5)2 + 1
Find the domain and range.
A. Domain: (-?, 1]; Range: (-?, ?) B. Domain: (-?, ?); Range: [1, ?) C. Domain: (-?, ?); Range: (-?, 1] D. Domain: (-?, ?); Range: (-?, ?)
Mathematics
Write the standard equation for the circle.
A. x2 + y2 = 7 B. x2 + y2 = 49 C. x2 + y2 = 14 D. x2 + y2 = 25
Mathematics