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7 June, 13:24

What is an equation of a line that has a slope of - 1/2 and a y-intercept of 4

A. y = 1/2x + 4

B. y = - 1/2x + 4

C. y = - 1/2x - 8 (not neg.)

D. y = 1/2x - 4 (not neg.)

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Answers (2)
  1. 7 June, 13:34
    0
    slope of - 1/2 and a y-intercept of 4, so m = - 1/2 and b = 4

    using y = mx + b

    y = - 1/2x + 4

    answer is B. y = - 1/2x + 4
  2. 7 June, 15:48
    0
    In y = mx + b form, the slope is in the m position and the y int is in the b position

    y = mx + b

    slope (m) = - 1/2

    y int (b) = 4

    now just sub

    y = - 1/2x + 4 <===
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Home » Mathematics » What is an equation of a line that has a slope of - 1/2 and a y-intercept of 4 A. y = 1/2x + 4 B. y = - 1/2x + 4 C. y = - 1/2x - 8 (not neg.) D. y = 1/2x - 4 (not neg.)
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