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Equation of a Straight Line. The equation of a straight line is usually written this way: y = mx + b. (or "y = mx + c" in the UK see below) What does it stand for? y = how far up. x = how far along. m = Slope or Gradient (how steep the line is) b = value of y when x=0. How do we find "m" and "b"?
- Point-Slope
You may already be familiar with the y=mx+b form (called the...
- Y Intercept
Where a line crosses the y-axis of a graph. Just find the...
- Straight Line Graphs
Move the m and b slider bars to explore the properties of a...
- Point-Slope
Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.
13 Απρ 2024 · To graph a linear equation, start by making sure the equation is in y = mx + b form. Then, plot the b value on the y-axis. Next, convert the m value into a fraction if it's not already by placing it over 1.
Algebra. Graph x=4. x = 4 x = 4. Since x = 4 x = 4 is a vertical line, there is no y-intercept and the slope is undefined. Slope: Undefined. y-intercept: No y-intercept. Find two points on the line. x y 4 0 4 1 x y 4 0 4 1. Graph the line using the slope, y-intercept, and two points.
This topic covers: - Intercepts of linear equations/functions - Slope of linear equations/functions - Slope-intercept, point-slope, & standard forms - Graphing linear equations/functions - Writing linear equations/functions - Interpreting linear equations/functions - Linear equations/functions word problems
Graphing linear equations. Here you will learn about straight line graphs including how to draw straight lines graphs in the form y=mx+b, using a table and from a pair of coordinates, and how to use the x and y intercepts to graph a line.
28 Μαΐ 2023 · Graph the equation: x = −2. x = −2. What if the equation has y y but no x x? Let’s graph the equation y = 4. y = 4. This time the y y-value is a constant, so in this equation y y does not depend on x. x. To make a table of solutions, write 4 4 for all the y y values and then choose any values for x. x. We’ll use 0, 2, 0, 2, and 4 4 for ...
