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  1. Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

  2. Free graphing calculator instantly graphs your math problems.

  3. Interactive, free online graphing calculator from GeoGebra: graph functions, plot data, drag sliders, and much more!

  4. Linear Graphs. When we have an equation with two different unknowns, like y = 2x + 1, we cannot solve the equation. We can instead find pairs of x and y values that make the left side equal the right side. We can use a table of values to show the number pairs: x. 0.

  5. 14 wrz 2024 · Learning Objectives. Use the Fundamental Graphing Principle for Functions to graph a function by point-plotting. Graph a piecewise function using point-plotting. Identify the zeros of a function from its graph. Determine if a function is odd, even, or neither. Use graphing technology to graph a function.

  6. 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"?

  7. How To: Given a graph of a function, use the horizontal line test to determine if the graph represents a one-to-one function. Inspect the graph to see if any horizontal line drawn would intersect the curve more than once.

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