📐 Linear Equation Converter - Standard ↔ Slope-Intercept

Convert linear equations between standard form (Ax+By=C) and slope-intercept form (y=mx+b) with detailed algebra steps

Enter equation in standard form (3x+2y=6) or slope-intercept form (y=2x+3)
Choose conversion type or let the tool auto-detect the format
Display detailed algebraic steps for the conversion process
Number of decimal places for slope and intercept (0-6)
Show slope interpretation, y-intercept point, and graphing tips
How to display slopes and intercepts in results

Your Result:

📐 LINEAR EQUATION CONVERSION

3x + 2y = 6 ↔ y = -1.5x + 3

Standard Form ↔ Slope-Intercept Form

Conversion Example

Standard Form
3x + 2y = 6
Ax + By = C
Slope-Intercept Form
y = -1.5x + 3
y = mx + b

🧮 Step-by-Step Algebra

/* Starting with Standard Form */
3x + 2y = 6
/* Isolate y by subtracting 3x */
2y = -3x + 6
/* Divide everything by 2 */
y = (-3x + 6) ÷ 2
y = -3x/2 + 6/2
/* Simplify to slope-intercept form */
y = -1.5x + 3

📊 Graphing Information

Slope: -1.5
Rise/Run = -3/2
Down 3, Right 2
Y-Intercept: 3
Point (0, 3)
Line crosses y-axis
X-Intercept: 2
Point (2, 0)
Line crosses x-axis

How to Use This Linear Equation Converter - Standard ↔ Slope-Intercept

The Linear Equation Converter transforms equations between standard form (Ax+By=C) and slope-intercept form (y=mx+b) with detailed algebraic steps. Perfect for students, teachers, and professionals working with linear relationships.

Quick Start:

  1. Enter your equation in either format: 3x+2y=6 or y=-1.5x+3
  2. Choose conversion direction or let the tool auto-detect the format
  3. Enable step-by-step algebra to see the complete conversion process
  4. Select number format (fractions, decimals, or mixed) for your preferred display
  5. Click Convert to see both forms with detailed algebraic steps

Input Examples:

  • 2x + 3y = 12 → Standard form with positive coefficients
  • -4x + y = 7 → Standard form with negative coefficient
  • y = 2x - 5 → Slope-intercept form with positive slope
  • y = -0.5x + 3 → Slope-intercept form with decimal slope
  • x - 2y = -8 → Standard form requiring fraction conversion

The tool handles various input formats and provides comprehensive graphing information including slope interpretation, intercepts, and plotting guidance.

How It Works

Conversion Process:

  1. Input Parsing: The tool parses your equation and identifies coefficients for x, y, and constants while handling various input formats and spacing.
  2. Format Detection: Automatically determines whether you've entered standard form (Ax+By=C) or slope-intercept form (y=mx+b) based on equation structure.
  3. Algebraic Conversion: Performs step-by-step algebraic manipulation - isolating y for slope-intercept form or rearranging terms for standard form.
  4. Step Documentation: Records each algebraic step with clear explanations of operations like "subtract 3x from both sides" or "divide everything by 2".
  5. Result Formatting: Displays converted equations in clean mathematical notation with options for fraction, decimal, or mixed number formats.
  6. Graphing Analysis: Calculates slope, y-intercept, x-intercept, and provides graphing tips for visualization and plotting.

Mathematical Methods:

  • Standard to Slope-Intercept: Isolate y by moving x-terms to right side and dividing by y-coefficient
  • Slope-Intercept to Standard: Move all terms to left side and eliminate fractions by multiplying through
  • Fraction Handling: Simplifies fractions and provides decimal equivalents based on user preference
  • Validation: Ensures equations are linear and properly formatted before conversion

All calculations maintain mathematical precision and show the logical flow from one form to another, making the relationship between formats clear and educational.

When You Might Need This

Frequently Asked Questions

What's the difference between standard form and slope-intercept form?

Standard form (Ax+By=C) shows both x and y terms on the left side with integer coefficients when possible. Slope-intercept form (y=mx+b) isolates y and clearly shows the slope (m) and y-intercept (b). Both represent the same line but emphasize different aspects - standard form is good for finding intercepts quickly, while slope-intercept form is ideal for graphing and understanding the line's behavior.

Can all linear equations be converted between these formats?

Yes, all linear equations (except vertical lines) can be converted between standard and slope-intercept forms. Vertical lines like x=3 cannot be written in slope-intercept form because they have undefined slope. However, any line that isn't vertical has a unique representation in both formats, though the coefficients might involve fractions or decimals.

How do I handle fractions when converting between forms?

When converting produces fractions, you have several options: keep them as exact fractions (like -3/2), convert to decimals (like -1.5), or multiply through to eliminate denominators in standard form. The tool offers different display modes - fraction format preserves exact values, decimal format is easier to plot, and mixed format uses fractions only when they're simple like 1/2 or 2/3.

Why do the step-by-step solutions help with understanding?

Seeing each algebraic step makes the conversion process transparent and builds confidence with equation manipulation. The steps show exactly how to isolate y (for slope-intercept) or rearrange terms (for standard form). This helps students understand that both forms represent the same relationship and teaches the algebraic techniques needed for more complex problems.

What if I enter an equation that isn't linear?

The tool validates input and will alert you if the equation isn't linear (degree 1 in x and y). Quadratic terms like x², xy, or y² make equations non-linear and cannot be converted to these forms. The tool also checks for proper equation format and will suggest corrections if you enter something like 'y=' without a right side or use unsupported notation.