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21 May, 03:24

Write the Slope Intercept form equation for a line passing

through (4,6) and (8,9)

A

.

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Answers (1)
  1. 21 May, 03:38
    0
    y=3/4x + 3

    Step-by-step explanation:

    Find the slope first. y-y over x-x

    Y: 9-6 = 3

    X 8-4 = 4

    so the slope is 3/4

    Now choose one of the ordered pairs to use to substitute to find the y intercept or "b" in y=mx + b

    I chose 4,6 since the slope has a 4 in the denominator

    Use y=mx + b

    Y = 6 from ordered pair m/slope = 3/4 x = 4 from ordered pair and you are looking for b

    6 = 3/4 (4) + b

    6 = 12/4 or 3 + b subtract 3 from both sides

    3 = b

    equation is y=3/4x + 3
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