vertex form for parent functions
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the h value does
+h = left -h = right
the k value does
+k = up -k = down
the a value does
-a(x+h)=opens down f(x)= a |x|, a>1 = stretch 0<a<1 = vertical shrink
x is
the input of the function
y is
the output of the function
vertex form cube root
y= a 3√x-h +k
vertex form absolute value
y= a |x-h| +k
vertex form rational function
y=a 1/x-h +k
the vertex form for radical (square root) functions
y=a √x-h +k
the vertex form for quadratic equations is
y=a(x-h)^2+k
vertex form cubic function
y=a(x-h)^3 +k