Learning Log: On Desk: (4, 7) and (27, 39)

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Learning Log: On Desk: (4, 7) and (27, 39) Math CC7/8 – Be Prepared Learning Log: HW: p. 69, #1-2, 13, 15-20, 39 Parent Signatures? Partner Quiz – Absent? Touch base with group and turn in!! On Desk: Pencil Calculator Math Journal TwMM Learning Log Find the equation of the line that passes through the given points. (4, 7) and (27, 39)

Tasks for Today Warm Up – What do you notice? What do you wonder? Lesson 3.1 – inverse variation

What do you notice? What do you Wonder?

Labsheet 3.1

w = l = lw = 24 w l 24 24 As length increases, width decreases. The graph also decreases at a decreasing rate, so it is curved. The relationship is NOT linear! w = 24 l l = 24 w lw = 24 or or

w = 32 l l = 32 w lw = 32 or or

Write the widths as decimals to the nearest hundredth.

w = A l Both functions can be written in the form of where A is a fixed number. The graphs are both decreasing curves. The tables have patterns of w (or l) values that decrease rapidly at first and then more gradually. Roseville’s lots could be in the form of w = 21, 780 l As length increases, the width decreases rapidly at first but then more slowly, never actually getting to 0.