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Summary ACT Math Formulas Complete Solutions Verified
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  • ACT Math
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  • ACT Math

ACT Math Formulas Complete Solutions Verified Quadratic Formula -b±[√b²-4ac]/2a Slope (y₂-y₁)/(x₂-x₁) Slope-Intercept y=mx+b a³-b³ (a-b)(a²+ab+b²) a³+b³ (a+b)(a²-ab+b²) a²-b² (a-b)(a+b) a²-2ab+b² (a-b)² a²+2ab+b² (a+b)² (a+b)(c+d) ac+ad+bc+bd a(b+c) ...

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  • March 6, 2023
  • 3
  • 2022/2023
  • Summary

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  • act math formulas complete solutions verified quadratic formula b±√b² 4ac2a slope y₂ y₁x₂ x₁ slope intercept ymxb a³ b³ a ba²abb² a³b³ aba² abb² a² b² a bab a² 2abb² a

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Summary ACT Math Formulas Complete Solutions
Verified
Quadratic Formula
-b±[√b²-4ac]/2a
Slope
(y₂-y₁)/(x₂-x₁)
Slope-Intercept
y=mx+b
a³-b³
(a-b)(a²+ab+b²)
a³+b³
(a+b)(a²-ab+b²)
a²-b²
(a-b)(a+b)
a²-2ab+b²
(a-b)²
a²+2ab+b²
(a+b)²
(a+b)(c+d)
ac+ad+bc+bd
a(b+c)
ab+ac
sine ratio
opposite ÷ hypotenuse
cosine ratio
adjacent ÷ hypotenuse
tangent ratio
opposite ÷ adjacent
A function is ___________ a relation
always
Direct Variation
y=kx
Inverse Variation
y=k/x
Slope intercept form
y=mx+b
Point-Slope form
y-y₁=m(x-x₁)
Standard form
Ax + By=C, where A, B, and C are not decimals or fractions, where A and B are not
both zero, and where A is not a negative
Undefined
When there is a vertical line that has different y points, but the same x point
Zero

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