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Write the equation of the line through the points (1, 3), (3, 3)

1 Answer

7 votes

Answer:

y = 3

Explanation:

P ( 1 , 3) and Q ( 3 , 3 )

The straight line is parallel to the x-axis since the two points have the same y.

The intercept with the y-axis is 3.

The slope-point equation for a line is:

y = m*x + b (1)

m is the slope and b is the intercept with the y-axis

To calculate the slope

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

m = 3 - 3 / 3 - 1 m = 0 / 2 m = 0

therefore, equatio (1) becomes

y = 0*x + 3

y = 3

User Kimchy
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