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Quadratic Equations - Coggle Diagram
Quadratic Equations
equation vs function
equation
expressions/numbers on both sides of =
goal: solve for unknown
our purposes: only x
function
one side f(x) or y
goal: understand relationship between x and y
graphing
analyzing
Solving method 1: Graph
graph each side
x values at intersection
rearrange =0
x-intercepts
already done
finding x-intercept
y=0 and solve for x
Solving method 2: factoring
=0
one factor must be zero
split into two smaller equations
Solving method 3: completing the square
already did in Chapter 2
finding x-intercept
Solving method 4: quadratic formula