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Which equation represents the data in the table shown? A) y = -2x B) y = 2x + 3 C) y = -2x + 3 D) y = -2x - 3
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Apr 12, 2021
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Which equation represents the data in the table shown?
A) y = -2x
B) y = 2x + 3
C) y = -2x + 3
D) y = -2x - 3
Mathematics
middle-school
Jeannetta
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Jeannetta
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y = mx + c
find the gradient (m)
m = y2-y1 / x2-x1
m = -1-1/2-1
m = -2/1
m = -2
we know that the value of c (y-intercept) is 3 because when x=0, y=3
Therefore, the equation is:
y = -2x + 3
The right answer is C
Robotadam
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Apr 16, 2021
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Robotadam
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