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Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. Type in any equation to get the solution, steps and graph.
- Quadratic
The quadratic formula gives solutions to the quadratic...
- System of Equations
x+y+z=25,\:5x+3y+2z=0,\:y-z=6 ; x+2y=2x-5,\:x-y=3 ;...
- Polynomial
-4x^3+6x^2+2x=0 ; 6+11x+6x^2+x^3=0 ; 2x^5+x^4-2x-1=0 ;...
- Logarithmic
A logarithmic equation is an equation that involves the...
- Exponential
Then, take the logarithm of both sides of the equation to...
- Rational
Free rational equation calculator - solve rational equations...
- Quadratic
The equation solver allows you to enter your problem and solve the equation to see the result. Solve in one variable or many.
Free line equation calculator - find the equation of a line given two points, a slope, or intercept step-by-step
Free Equation Solver helps you to calculate linear, quadratic and polynomial systems of equations. Answers, graphs, roots, alternate forms.
4 Οκτ 2024 · The linear equation from two points (x 1, y 1) and (x 2, y 2) describes the unique line that passes through these points. This equation can be in the standard form (Ax + By + C = 0) or in the slope-intercept form (y = ax + b). A unique line equation also exists for any two points in three-dimensional space.
Click the "Calculate" button to find the equation of the line based on the provided inputs. The calculator will immediately show the calculated line equation. It will also provide step-by-step explanations to help you understand the process. What Is the Equation of a Line?
How do we find "m" and "b"? b is easy: just see where the line crosses the Y axis. b = 1 (value of y when x=0) Putting that into y = mx + b gets us: With that equation we can now ... ... choose any value for x and find the matching value for y. For example, when x is 1: y = 2×1 + 1 = 3. So when x=1 we have y=3.
