Q.
1
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A
Y = independent variable, a = slope of the line, b = Y intercept and X = dependent variable
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B
Y = dependent variable, a = slope of the line, b = Y intercept and X = independent variable
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C
Y = independent variable, a = dependent variable, b = Y intercept and X = slope of the line
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D
Y = dependent variable, a = Y intercept, b = slope of the line and X = independent variable