1.3 Python Variables

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Lab 1.3.1

Given the ordered pairs (6,9) and (5,1), write a Python code to find the slope and midpoint.

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Lab 1.3.2

To solve a quadratic equation of the form $ax^2+bx+c=0$, we can use the formula below:

$x=\frac{-b - \sqrt{b^2-4ac}}{2a}$ or $x=\frac{-b + \sqrt{b^2-4ac}}{2a}$

Write a Python code to solve $2x^2-3x-4$ using the quadratic formula.

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Lab 1.3.3

Evaluate $\frac{1+2}{18}$ and round the result to one decimal place.

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Adapted from Python for Introductory Statistics: Student's Lab Workbook, by Simon Aman (Truman College, City Colleges of Chicago), licensed under CC BY 4.0. Changes were made: reformatted as an accessible XYZ web edition with live in-browser code cells. License: CC-BY-4.0.