Question

Given the function y = 2x - 6, explain how you can evaluate when x = -1.

Answer 1

Answer:

y = -8

General Formulas and Concepts:

Pre-Algebra

• Order of Operations: BPEMDAS

Step-by-step explanation:

Step 1: Define

y = 2x - 6

x = -1

Step 2: Solve for y

1. Substitute:                    y = 2(-1) - 6
2. Multiply:                        y = -2 - 6
3. Subtract:                       y = -8

And we have our final answer!