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Identify the slope and y-intercept of the function y = –2x + 1.A.The slope is 1. The y-intercept is (0, –2).B.The slope is –2. The y-intercept is (0, 1).C.The slope is 2. The y-intercept is (0, 1).D.The slope is 1. The y-intercept is (0, 2)

User Hiren Prajapati
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1 Answer

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19 votes

Solution

Given the function below


y=-2x+1

The slope-intercept form of an equation of a straight line is


\begin{gathered} y=mx+b \\ \text{Where m is the slope and b is the y-intercept} \end{gathered}

Relating both equations,


\begin{gathered} m=-2 \\ b=1 \end{gathered}

The y-intercept, b, is at x = 0, and b = 1

The slope is -2. The y-intercept is (0, 1)

Hence, the answer is option B

User Kesem David
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