math forumulas ( sat)

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Last updated 2:58 PM on 8/20/26
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15 Terms

1
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b²-4(a)(c )=0

1 (repeated) solution

2
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b²-4(a)(c ) > 0

2 unequal solutions

3
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b²-4(a)(c )<0

No solution / imaginary solution

4
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Vertex formula

a(x-h)²+k

5
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circle equation

(x-h)²+(y-k)²=r²

6
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point slope formula

y-y1=m(x-x1)

7
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Standard form

Ax+By=C

8
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sum of roots

-b/a

9
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product of roots

c/a

10
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(a+b)²

a² + 2ab + b²

11
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average rate of change

(f(x) - f(a))/x-a

12
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<p>area of similar figures</p>

area of similar figures

A1/A2 = (AB/EF)²

13
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<p>volume of similar figures</p>

volume of similar figures

V1/V2 = (AB/EF)³

14
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x−x3−2xx-x\sqrt3-2x

30-60-90 triangles

15
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f(x)

y1