Evaluate the polynomial.x2 + 2y2 - 3xy for x = 4 and y = 4
A. 0
B. -48
C. 48
D. 96
Answer: A
Mathematics
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Estimate error made by using the partial sum S4 as an approximation to the sum S of the entire series.
A. 8.33 x 10-14 B. -1.00 x 10-11 C. -1.11 x 10-10 D. -9.09 x 10-13
Mathematics
Solve the system of equations by determinants. 4w - 4y + z = 16-w + x + 3y - z = -95w - x + 3z = -10 x + 4y - z = -15
A. w = 0, x = -1, y = 5, z = 5 B. w = -1, x = 5, y = -5, z = 0 C. w = 1, x = 7, y = -5, z = -1 D. w = -2, x = 0, y = -6, z = 1
Mathematics
Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Mathematics
Find the product. Simplify before performing the multiplication.
? 
A. 
B. 
C. 
D. 
Mathematics