Which coordinate represents the y-intercept?

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Study for the Algebra 1 Honors End-of-Course Test. Study with flashcards and multiple-choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which coordinate represents the y-intercept?

Explanation:
The y-intercept is the point where a graph crosses the y-axis. On the y-axis, the x-coordinate is zero, so coordinates have the form (0, y), where y is the value of the function when x is zero. That makes the y-intercept (0, y). The other forms don’t lie on the y-axis: (x, 0) sits on the x-axis, (y, 0) also sits on the x-axis with the coordinates swapped, and (0, 0) is the origin—a special point that only serves as the intercept if the function value at x = 0 is zero.

The y-intercept is the point where a graph crosses the y-axis. On the y-axis, the x-coordinate is zero, so coordinates have the form (0, y), where y is the value of the function when x is zero. That makes the y-intercept (0, y). The other forms don’t lie on the y-axis: (x, 0) sits on the x-axis, (y, 0) also sits on the x-axis with the coordinates swapped, and (0, 0) is the origin—a special point that only serves as the intercept if the function value at x = 0 is zero.

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