Question

Asked Sep 25, 2019

Step 1

Given information:

Step 2

Calculation:

a)

1. Press the **Y=** key and clear any equations.

2. Press the **STAT** key, use the arrow keys to select **EDIT**, and enter this data.

3. Press the **STAT** key, select **CALC**, and choose option number 5: **QuadReg**. This will bring you back to the home screen, with **QuadReg** showing. Type "L1, L2" by pressing **2nd** and **1**, then comma, then **2nd** and **2**. Type "Y1" by pressing **VARS**, moving across to **Y-VARS**, choosing **Function**, and choosing option number 1. Your home screen should show:

QuadReg L1, L2, Y1

Step 3

The quadratic m...

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