Answer:
A
Step-by-step explanation:
D
Answer: The number should be 6
Solve for c :
x⁴ + cx² + 100 = 0
cx² = -(x⁴ + 100)
c = - (x⁴ + 100)/x²
If x = 0, the right side is undefined and c would have no solution.
2-5
1 to 100,000
1 km is equivalent to 100,000 cm.
C
