Question

Write the equation of a line in slope intercept form that contains ( 1 ,-2) and ( 3,2)

Answer 1

Answer: y = 2x - 4

Step-by-step explanation:

Gradient => (2 - (-2))/(3 - 1) = 4/2 = 2

so, equation is y = 2x + C

Using (3, 2) we have: 2 = 2(3) + C

Hence, C = -4

Therefore, y = 2x - 4

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