Use a graphing calculator to find the value of the determinant.
A. 140
B. -180
C. 180
D. -20
Answer: C
Mathematics
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Use Taylor's formula to find the requested approximation of 
near the origin.Quadratic approximation to 
A. 10x + y - 50x2 - 5xy - 
y2
B. 1 + 10x + y - 50x2 - 10xy - 
y2
C. 10x + y - 50x2 - 10xy - 
y2
D. 1 + 10x + y - 50x2 - 5xy - 
y2
Mathematics
Answer the question on the order of rational numbers.Order the rational numbers in increasing order;
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
Mathematics
Find an equivalent equation in rectangular coordinates.r = 2(sin ? - cos ?)
A. x2 + y2 = 2y - 2x B. 2x2 + 2y2 = y - x C. 2x2 + 2y2 = x - y D. x2 + y2 = 2x - 2y
Mathematics
Solve the equation by factoring.(y - 7)(4y + 21) = 0
A. 
B. 
C. 
D. 
Mathematics