SAT Math Formulas

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Last updated 11:45 PM on 5/30/26
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24 Terms

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Quadratic formula

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Slope Formula

(y2-y1)/(x2-x1)

<p>(y<sub>2</sub>-y<sub>1</sub>)/(x<sub>2</sub>-x<sub>1)</sub></p>
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Quadratic: Standard Form

  • a>0?

  • a<0?

  • what is c?

y=ax2+bx+c=0y=ax^2+bx+c=0

  • C is the y-intercept

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Quadratic: Factored Form

  • What are the solutions?

y=a(x−r)(x−s)y=a\left(x-r\right)\left(x-s\right)

  • R and S are the solutions

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Quadratic: Vertex Form

  • What are the coordinates of the vertex

y=a(x−h)2+ky = a(x-h)^2 + k, where ( (h, k) ) is the vertex of the parabola.

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Percentage Change

Change = DifferenceOriginal×100\frac{Difference}{Original} \times 100