Quadratic Video

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  • Hey Mr. Owl, what do you know about quadratics?
  • Let's find out! HaOne...
  • There are many different forms of quadratics including the standard form ax2+bx+c, factor form (x-p)(x-q), vertex form y=a(x-h)2+k.
  • Two-hoo...
  • There are different methods to solve the forms standard, factor, and vertex. There’s the quadratic formula -b+b2-4a*c 2(a) Another method is called completing the square, which is when you take an equation and put it equal to zero. Then, you take the c value and put it on the other side by canceling it out, and adding it to the zero. Then, you take the “b” value and divide it by two and square that. Then you add that to both sides, and find the square root of both sides, and isolate x. Make sure to find the positive and negative square roots. The third method is factoring with a diamond and generic rectangle.
  • Thriee...
  • A quadratic makes a U-shaped line on a graph called a parabola that opens up or down. The parabola has three main points: y-intercept, x-intercept(s), and the vertex. In standard form, “c” is the y-intercept. In factor form, the “p” and “q” are the x-intercepts.
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