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Learn how to write and interpret the equation of a straight line in the form y = mx + b, where m is the slope and b is the y-intercept. Find out how to calculate m and b, and see examples and graphs of different lines.
To find the equation of a line using 2 points, start by finding the slope of the line by plugging the 2 sets of coordinates into the formula for slope. Then, plug the slope into the slope-intercept formula, or y = mx + b, where "m" is the slope and "x" and "y" are one set of coordinates on the line.
Find the equation of a line in different forms using two points, a slope, or an intercept. Learn how to calculate the slope and the y-intercept of a line with examples and explanations.
Find an Equation of the Line Given the Slope and y-Intercept. First, let's recall a particularly helpful form for the equation of a line -- the slope-intercept form -- and discuss a strategy we can use to deduce an equation of this form.
Learn how to find the equation of a line in different forms such as slope-intercept, intercept, and normal form. See the general equation of a line and its applications with examples and solutions.
Learn how to find the equation of a line from two points using the point-slope formula and slope-intercept form. See examples, diagrams and explanations with interactive features.
Learn how to write the equation of a straight line in different forms such as point-slope, slope-intercept, intercept, normal, and standard. Find the slope, intercepts, and angle of a line using the formulas and examples.
Learn how to find the equation of a line in different forms based on the slope, intercepts, or normal. See examples, definitions, and applications of the equation of a line in geometry and calculus.
We can find the equation of a straight line when given the gradient and a point on the line by using the. formula. : \ (y - b = m (x - a)\) where \ (m\) is the gradient and \ ( (a,b)\) is on...
A linear equation is an equation for a straight line. These are all linear equations: Let us look more closely at one example: Example: y = 2x + 1 is a linear equation: The graph of y = 2x+1 is a straight line. When x increases, y increases twice as fast, so we need 2x. When x is 0, y is already 1. So +1 is also needed. And so: y = 2x + 1.