Pearson Algebra 2 Common Core, 2011
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Pearson Algebra 2 Common Core, 2011 View details
Mid-Chapter Quiz
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Exercise 3 Page 859

An angle in the coordinate plane is in standard position when the vertex is at the origin and one ray is on the positive x-axis.

Practice makes perfect
An angle in the coordinate plane is in standard position when the vertex is at the origin and one ray is on the positive x-axis. The ray on the x-axis is the initial side of the angle. The other ray is the terminal side of the angle. Let's consider the given angle.

Given Angle: - 150^(∘) In this case, since the measure is negative, the angle opens clockwise. Let's sketch it in a coordinate plane.