$1\mathrm{.}1$ Create and complete a truth table for the following Logic Gate

$1\mathrm{.}2$ Given the following formula:

$x_{1,2}=\frac{-b+-\sqrt[\phantom{2}]{b^2-4ac}}{2a}$

Break it down into several steps using Pseudcode:

$1\mathrm{.}3$ Draw a flowchart for an algorithm to input numbers. Reject any numbers that are

negative and count how many numbers are positive. When the number zero is

input, the process ends and the count of positive numbers is output.