Math 1113 Exam 1 UGA with complete solutions.

Quadratic Formula -b±[√b²-4ac]/2a Distance Formula d = √[( x₂ - x₁)² + (y₂ - y₁)²] midpoint formula (x₁+x₂)/2, (y₁+y₂)/2 Domain Read left to right Range read bottom to top Closed Circle Hard Bracket Open Circle Soft parenthesis Function on a graph Can only continue if there is a hard circle where two lines meet on x axis Domain rule #1 Anything inside square root must be ≥ 0 Domain Rule #2 The bottom of the function ≠ 0 Number Line- When solving for domain in a function ≠ means open circle No Fraction?-When solving for domain in a function Domain : All real numbers Closed Circle (graphing) greater than or equal to, less than or equal to Open Circle (graphing) No line under inequality symbol. (Less Than & Greater Than)