THINGS YOU SHOULD KNOW FOR PRE-CALCULUS Pre-AP Pre-Calculus Mrs. Richter 2013 – 2014.

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Presentation transcript:

THINGS YOU SHOULD KNOW FOR PRE-CALCULUS Pre-AP Pre-Calculus Mrs. Richter 2013 – 2014

Kinds of numbers

Bounded Intervals Interval Notation Interval TypeInequality Notation Graph [a, b]Closeda ≤ x ≤ b (a, b)Opena < x < b [a, b)Half-opena ≤ x < b (a, b]Half-opena < x ≤ b

Properties of Exponents

Scientific Notation Math workExpanded form 93,000,000 mi g 8,600 ft

Absolute Value

Important formulas Distance Formula Midpoint formula Slope Slope-intercept form

Solving Equations Graphically: use graphing feature on calculator Type equation into y=, make sure there is a 0 in the other y= Algebraically: without the use of a calculator Factoring Completing the square Quadratic Formula

Factoring

Completing the Square

Completing the Square Example

Quadratic Formula

Quadratic Formula example

Practice Problems Pg : 47, 52, 57, 60, 69 Pg : 13, 21, 54, 63 Pg : 15, 19, 65 Pg. 40: 21, 23, 25 Pg. 50: (follow directions for each section) 3, 13, 15, 19, 23, 60 Pg. 64: (solve inequalities by any method) 1, 11, 17, 23