Janelle is in charge of bringing in dry erase markers for everyone in her math group to use to work on a project. She brings 3 m
2 answers:
You might be interested in
Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
<u>Algebra I</u>
- Standard Form: ax² + bx + c = 0
- Quadratic Formula:
<u>Algebra II</u>
- Imaginary Numbers: √-1 = i
Step-by-step explanation:
<u>Step 1: Define Equation</u>
x² + 20 = 0
<u>Step 2: Identify Variables</u>
a = 1
b = 0
c = 20
<u>Step 3: Find roots </u><em><u>x</u></em>
- Substitute:
- Exponents:
- Multiply:
- Subtract:
- Factor:
- Simplify:
- Divide: