Question 5 Answer & Explanation - SAT Algebra

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algebra

For $y = 25x + 100$ , if $x$ increases by 1, how much does $y$ increase?

100

125

Correct Answer: C

Choice Dhoice D is the correct answer.

Slope Definition: The change in $y$ for a 1-unit increase in $x$ .
Slope: 25.

Choice Dhoice C is incorrect because this is the y-intercept.

Choice Dhoice C is incorrect because calculation error.

Choice Dhoice B is incorrect because this is the change in x.

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Linear Functions Set 38

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