Evaluate the polynomial.x2 + y2 - z2 for x = 2, y= 3, and z = 3
A. 9
B. 22
C. 13
D. 4
Answer: D
Mathematics
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Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.-9 - 5x2 = 4x - 12
A. One real solution B. Two different imaginary-number solutions C. Two different real-number solutions
Mathematics
Combine.17 + (-4) - 12
A. 33 B. -1 C. 25 D. 1
Mathematics
Represent the radical as a radical with a smaller root index. Assume any variables represent nonnegative values.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given ordered pair is a solution of the system.(-3, -5)x + y = -8x - y = 2
A. not a solution B. solution
Mathematics