Question 8 Answer & Explanation - SAT Algebra

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algebra

Find the equation of the line parallel to $y = 5x$ passing through $(1, 6)$ .

$y = 5x + 1$

$y = 5x + 6$

$y = 5x - 1$

$y = \frac{1}{5}x + 6$

Correct Answer: A

Choice A is the correct answer. Use point-slope.

Slope: 5.
Point: $(1, 6)$ .
Equation: $y - 6 = 5(x - 1) \rightarrow y = 5x - 5 + 6 \rightarrow y = 5x + 1$ .

💡 Strategic Tip: Check the point: $6 = 5(1) + 1$ . Correct.

Choice B is incorrect because intercept error. Choice C is incorrect because calculation error. Choice D is incorrect because slope error.

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