Evaluate the expression.
for x = 12, y = 16
A. 16
B. 60
C. 48
D. 7
Answer: D
Mathematics
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Write the number as the product of a real number and i.
A. i
B. 
C. -i
D. i
Mathematics
Determine the discriminant of the quadratic equation. Use the value of the discriminant to determine whether the quadratic equation has two rational solutions, two irrational solutions, one repeated real solution, or two complex solutions that are not real.4x2 + 5x = 7
A. Two complex solutions that are not real B. One repeated real solution C. Two rational solutions D. Two irrational solutions
Mathematics
Use both properties of equality to solve the equation.-3w + 9 = -7 - w
A. 8 B. -8 C. 9 D. 7
Mathematics
Solve.20x - 20 > 4(4x + 4)
A. (20, ?) B. (-?, 9) C. (-?, 20) D. (9, ?)
Mathematics