# ACT E23 Math Answer Explanations

Equivalent expressions, Laws of exponents

Absolute value, Adding, subtracting, multiplying and dividing positive and negative numbers

Similar Triangles

Trigonometry for Right Triangles

Pythagorean Theorem and Special Right Triangles

Quadratic equations, Roots of Quadratic Equation

Area of Rectangle(square)

Translations

Equation of Line

Laws of exponents

Squares and Square Roots

Least Common Multiple (LCM)

Area of Rectangle(square), Perimeter of Rectangle

Unit Conversions (Feet to inches, miles to feet, hours to seconds)

Statistics (Mean, Median, Mode, Standard Deviation)

Statistics (Mean, Median, Mode, Standard Deviation)

Statistics (Mean, Median, Mode, Standard Deviation)

Equation of Line

Pythagorean Theorem and Special Right Triangles

Funny functions

Composite functions

Equivalent expressions

Amplitude, Period, Phase Shift and Frequency

Equivalent expressions, Fractions

Absolute value, Adding, subtracting, multiplying and dividing positive and negative numbers

Number Line, Writing and Solving Inequalities

Area of Triangle

Absolute value, Squares and Square Roots

Similar Triangles

Arc Length, Perimeter of Circle

Laws of exponents, Laws of Logarithms

Laws of exponents

The law of sines & The law of cosines

Statistics (Mean, Median, Mode, Standard Deviation)