ACT formulas needed

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Description and Tags

ACT

Math

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35 Terms

1
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Area of Triangle

½bh

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Parallelogram Area

b*h

3
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Circle Area

πr²

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Circle Circumference

2πr

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Trapezoid Area

½ (b1 + b2)h

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Kite Area

½lw

7
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Rectangular Prism Volume

lwh

8
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Cube Volume

s3

9
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Right Cylinder Volume

πr2h

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Volumes of most 3 dimensional solids

V = Base * Height

11
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Pythagorean Theory

a2 + b2 = c2

12
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Area of Equilateral Triangle

(s2√3)/4

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<p>What is missing?</p>

What is missing?

x√2

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<p>What is the side?</p>

What is the side?

x√3

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<p>What is the hypotenuse?</p>

What is the hypotenuse?

2x

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Sides of a triangle rule

a + b > c

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Slope

y1 - y2/x1 - x2

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Point slope formula

y - y1 = m(x - x1)

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Midpoint

[(x1 + x2)/2, (y1 + y2)/2]

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Distance

√(x1 - x2)2 + (y1 - y2)2

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Percent change

final value - initial value/initial value * 100

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Direct Proportion

y = kx

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Indirect proportion

y = k/x

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ax * ay

axy

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a0

1

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a-x

1/ax

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vertex form

y = a(x - h)2 +k

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ax/ay

ax-y

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probability

desired outcomes/all possible outcomes

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ax/y

y√ax

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n√xy

n√x * n√y

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logab = c

ac = b

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loga(xy)

logax + logay

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loga 1

0

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logb(x/y)

logax - logay