Lesson Check (6.NS.C.7a) 1. Andrea has 37 yards of purple ribbon, 3.7 yards of pink ribbon, and 3$ yards of blue ribbon. List th
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Answer:
<h2>y = 3x + 3</h2>Step-by-step explanation:
The slope-intercept form of an equation of a line:
m - slope
b - y-intercept
The formula of a slope:
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From the table we have :
x = 1 → y = 6
x = 2 → y = 9
x = 3 → y = 12
x = 4 → y = 15
Calculate the slope (choice any two pairs, and calculate the slope):
(1, 6), (2, 9)
We have the equation:
Put the coordinates of the point (1, 6) to the equation, and solve it for b:
<em>subtract 3 from both sides</em>
Finally: