Nolan plots the y-intercept of a line at (0, 3) on the y-axis. He uses a slope of 2 to graph another point. He draws a line through the two points. Which equation represents Nolan’s line?

A line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept. Nolan’s slope is 2 and his y-intercept is 3, so the equation is y = 2x + 3. This matches choice B.

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