Back to Interpret the equation y = mx + b as defining a linear function — Problem 3 · Task Set 47

8.F.A.3 Tutor Intake -- Linear vs. Nonlinear Functions

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Grade 8·7 problems·~8 min·Common Core Math - Grade 8·container·8-f-a-3

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Procedures

The function $A = s^2$ gives the area of a square as a function of
its side length $s$ . Using $s = 1, 2, 3, 4$ (giving $A = 1, 4, 9, 16$ ), what is the difference between the second and first
differences in $A$ (that is, (4 - 1) - (9 - 4))? Enter a
negative number if applicable.