sacoratelfare3279 sacoratelfare3279

23-01-2018
Mathematics

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What is the equation of a line that passes through point R(−4, −3) and has a slope of 7? a. y = 7x + 25 b. y = 7x − 25 c.y = 7x + 3 d. y = −7x − 3

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texaschic101 texaschic101

23-01-2018

y = mx + b
slope(m) = 7
(-4,-3).....x = -4 and y = -3
now sub into the formula and find b, the y int
-3 = 7(-4) + b
-3 = -28 + b
-3 + 28 = b
25 = b
so ur equation is : y = 7x + 25 <===

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