Question what-i
What is the y-intercept of the graph of in the xy-plane?
What is the y -intercept of the graph of y = 34 x + 81 in
Medium-difficulty · SAT Math · Linear Equations in Two Variables — Intercepts and slope applications. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice A is correct. In the xy-plane, the graph of an equation in the form , where and are constants, has a slope of and a y-intercept of . Therefore, the y-intercept of the graph of is .
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D is incorrect and may result from conceptual or calculation errors.
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