Answer: Yes, it is a real number. 3.4 is a rational number and rational numbers are real numbers. So 3.4 is a real number.
2^4-1 so 2•2•2•2=16 and 16-1 is 15
3: independent
4: dependent
Solve the equation for x by finding a, b and c of the quadratic then applying the quadratic formula
Answer:
See below
Step-by-step explanation:
Notice that each consecutive term gets multiplied by -2. As such, this is a geometric sequence with a common ratio of -2.