Mathematics: I need to know the slope, y-intercept and the equation

I need to know the slope, y-intercept and the equation

anonymous176

18.01.2022

y = -x + 1

Step-by-step explanation:

$Slope=\frac{-1-3}{2-(-2)} =\frac{-4}{4} =-1\\\\\\ y-intercept = 1\\\\Then\\\\Equation: y=-x+1$

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Clup0211

23.07.2020

m∠BEC + m∠CED = m∠BED; Angle Addition Postulate

Step-by-step explanation:

Angle addition postulate says that when we two angles joined such that they have one common line segment or ray then a new angle formed by it.

For example : If ∠MON and ∠NOK are joined such that NO is the common line segment between then then the new angle will be ∠MOK or ∠KOM.

In given figure , m∠BEC and m∠CED are joined and they have common line segment CE , then the new angle m∠BED= m∠BEC + m∠CED

Hence, the correct statement that completes the given proof :

m∠BEC + m∠CED = m∠BED; Angle Addition Postulate

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