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What is the y intercept of f(x)= -2x - 1
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1 vote
What is the y intercept of f(x)= -2x - 1

User Posdef
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2 Answers

6 votes
This function is in slope-intercept form, which uses the following formula:


y = mx + b

m is the slope, and b is the y-intercept of the line.

In f(x) = -2x - 1, the slope is 2, and the y-intercept is -1, or (0, -1).
User Yuriy Zhigulskiy
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6.4k points
3 votes

The y-intercept of

f(x) = -2x - 1

is y = -1 .
User Asimolmez
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5.7k points
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