About 293,000 results
Open links in new tab
  1. Quadratic functions & equations: FAQ (article) | Khan Academy

    What is vertex form? Vertex form is another way of writing a quadratic equation. It looks like this: f (x) = a (x h) 2 + k , where a , h , and k are constants. The vertex form is particularly useful for …

  2. Graphing quadratics: vertex form - Khan Academy

    Learn how to graph any quadratic function that is given in vertex form. Here, Sal graphs y=-2 (x-2)²+5. Created by Sal Khan.

  3. Algebra (all content) - Khan Academy

    Two-variable linear equations intro x-intercepts and y-intercepts Slope Horizontal & vertical lines Intro to slope-intercept form Graphing slope-intercept equations Writing slope-intercept equations

  4. Quadratic word problems (vertex form) - Khan Academy

    How do we figure that out? Well, this quadratic has actually been written already in vertex form, which makes it sound like it should be relatively easy to figure out the vertex over here.

  5. Graphing quadratics: standard form - Khan Academy

    1) Find the vertex point by converting the equation to vertex form, or by using the formulas to calculate the coordinates of the vertex: X = -B/ (2A) and Y = (4AC-B^2)/ (4A).

  6. Algebra 1 | Math | Khan Academy

    Unit 14: Quadratic functions & equations Unit mastery: 0% Intro to parabolas Solving and graphing with factored form Solving by taking the square root Vertex form Solving quadratics …

  7. Quadratic equations & functions | Algebra (all content) | Khan …

    Practice Quadratic standard form Learn Finding the vertex of a parabola in standard form Graphing quadratics: standard form

  8. Graphing quadratics review (article) | Khan Academy

    So, you graph the vertex and then find points to the left and right of the vertex. When Y is isolated already and the equation is in vertex form, it is easier to pick values of X and calculate Y …

  9. Quadratic functions & equations | Algebra 1 | Math | Khan Academy

    Quadratic standard form Learn Finding the vertex of a parabola in standard form Graphing quadratics: standard form

  10. Graphing quadratics: vertex form | Algebra (video) | Khan Academy

    Learn how to graph any quadratic function that is given in vertex form. Here, Sal graphs y=-2 (x-2)²+5. Created by Sal Khan.