Further Modelling of Non-Linear Data (VCE SSCE General Mathematics): Quizzes

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Further Modelling of Non-Linear Data
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What does transforming non-linear data reveal?

Linear relationships

In models y=kx2+cy = kx^2 + c, y=kx+cy = \frac{k}{x} + c, and y=klog10(x)+cy = k\log_{10}(x) + c, what does kk represent?

The slope of the transformed line

What does cc represent in the model y=kx2+cy = kx^2 + c?

The y-intercept

Which model is used for data following a quadratic pattern?

y=kx2+cy = kx^2 + c

For model y=kx2+cy = kx^2 + c, what should be plotted on the horizontal axis?

x2x^2

When is the reciprocal model y=kx+cy = \frac{k}{x} + c appropriate?

When yy decreases as xx increases

For y=klog10(x)+cy = k\log_{10}(x) + c, what is plotted on the horizontal axis?

log10(x)\log_{10}(x)

How is kk (the slope) calculated from the transformed graph?

riserun\frac{\text{rise}}{\text{run}}

What characterizes logarithmic growth?

Rapid increase initially, then slowing

Which values should be used when finding the equation?

The transformed values

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