Math Exam Review - Horizontal Line Test Test to see if...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Types of numbers o Real Numbers Natural Numbers – [1,2,3,4…] Integers – […-2, -1, 0, 1, 2…] Rational Numbers – […1, -½, -¼, -.1, 0, ¼, ½, 1…] o Irrational Numbers – [ 5 , π , 3 ] Scientific Notation o 1234 = 1.234 * 10 3 o 0.054 = 5.4 * 10 -2 Mean (Average) – n x x x x n 3 2 1 + + + Median – Middle of a sorted list Domain – x-values Range – y-values Distance Formula o d = ) ( ) ( 1 2 1 2 2 2 y y x x - - + Midpoint Formula – (Average of x, average of y) Linear Function – f(x) = ax + b Point-slope Form – y = m(x - x 1 ) + y 1 Slope-intercept Form y = mx + b o m = slope o b = y-intercept o Find the equation of a line o Perpendicular o Parallel Piecewise function Quadratic Equation – f(x) = ax 2 + bx + c Parabola – f(x) = a(x - h) 2 + k o Vertex: (h,k) Vertex Formula – x = a b 2 - Completing the Square Factoring Discriminant
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
One-to-one Function – Different inputs always result in different outputs
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Horizontal Line Test Test to see if function is one-to-one Exponential Function f(x) = Ca x Natural Exponential Function f(x) = e x Compound Interest A = P(1 + r/n) nt o P Principle o r Interest o n - # of times per year o t - # of years Continuously Compounded Interest A = P e rt o P Principle o r Interest o t Number of years Logarithms o log x = k x = 10 k o ln x = k x = e k o log a x = k x = a k Properties of Logarithms o Log a 1 = 0 and log a a = 1 o Log a m + log a n = log a (mn) o Log a m - log a n = log a (m/n) o Log a (m r ) = rlog a m Log a x = log b x/log b a Solving Logarithmic Equations Matrices...
View Full Document

Page1 / 2

Math Exam Review - Horizontal Line Test Test to see if...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online