What is the equation of the line that passes through ( -1, 3) and with slope 2 in slope-intercept form?
A. y = 1/2x - 5
B. y = 2x + 5
C. y = 2x - 5
D. y = -2x + 5
A. y = 1/2x - 5
B. y = 2x + 5
C. y = 2x - 5
D. y = -2x + 5
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Problem:
What is the equation of the line that passes through ( -1, 3) and with slope 2 in slope-intercept form?
Given:
passes through ( -1, 3)
slope m = 2
Solution:
x = - 1 ; y = 3
y = mx + b
3 = 2(-1) + b
b = 3 + 2
b = 5
y = mx + b
y = 2x + 5
Answer:
y = 2x + 5
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