Answer:
x = 4i, − 4i
Step-by-step explanation:
The roots (zeros) are the x values where the graph intersects the x-axis. To find the roots (zeros), replace y with 0 and solve for x
x = 4i, − 4i
Answer: 1 to 8
Reason: because there’s 1 of 8 items is the same ratio
No solution / no x
D=b^2-4*a*c -> D=-4^2-4*1*21 -> D=-28 -> D<0, no solution
Answer:
15 . Undefined
16. undefined
Step-by-step explanation: