Question 6 Answer & Explanation - SAT Algebra

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algebra

Determine the intersection of $x = 3$ and $y = 2x - 1$ .

$(3, 5)$

$(3, 2)$

$(5, 3)$

$(2, 3)$

Correct Answer: A

Choice A is the correct answer. Substitution.

x is known: $x = 3$ .
Find y: $y = 2(3) - 1 = 5$ .
Point: $(3, 5)$ .

💡 Strategic Tip: If one equation is $x=k$ , just plug it in!

Choice B is incorrect because calculation error. Choice C is incorrect because swapped. Choice D is incorrect.

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Linear Functions Set 95

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