Understanding Quadratic Equations

Coefficient a

• 
• 1

• -1

• Undefined

Solve by using quadratic formula

• 
• x = -b ± √(b² + 4ac) / 2a

• x = -b / 2a

• x = b ± √(4ac - b²) / 2a

Quadratic Formula

• 
• x = (b ± √(b² + 4ac)) / 2a

• x = (-b ± √(b² + 4ac)) / 2a

• x = (b ± √(b² - 4ac)) / 2a

Constant "c"

• 
• Acceleration due to gravity

• Planck's constant

• Gas constant

Vertex Form Example

• 
• y = mx + b

• y = ax² + bx + c

• y = a(x + h)² - k

range

• 
• a type of fruit

• a musical term for pitch

• a method of cooking

What is the y-intercept?

• 
• The slope of a line

• The point where a line crosses the x-axis

• The distance from the origin to the line

domain

• 
• a type of web address

• a mathematical term for a set of values

• a geographical region

Line of symmetry

• 
• A line that connects two opposite corners of a shape

• A line that indicates the direction of movement

• A line that represents the perimeter of a shape

x-intercepts

• 
• Points where the graph crosses the y-axis

• The maximum points of a graph

• The minimum points of a graph