y = ½ sin(x)
Notice that the minimum and maximum values of the function have increased from -1 and 1 to -2 and 2.
Notice that the minimum and maximum values of the function have decreased from -1 and 1 to -½ to ½.
These graphs represent changes in the amplitude.
The absolute value of Parameter a represents the amplitude of the graph.
= Amplitude
For further exploration, have students explore transformations when a < 0.
the amplitude of y=sinx is 1 . (sinx) is multiplied by 2 , i.e. after the function sinx has been applied, the result is multiplied by 2
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y = ½ sin(x)
Notice that the minimum and maximum values of the function have increased from -1 and 1 to -2 and 2.
Notice that the minimum and maximum values of the function have decreased from -1 and 1 to -½ to ½.
These graphs represent changes in the amplitude.
The absolute value of Parameter a represents the amplitude of the graph.
= Amplitude
For further exploration, have students explore transformations when a < 0.
the amplitude of y=sinx is 1 . (sinx) is multiplied by 2 , i.e. after the function sinx has been applied, the result is multiplied by 2