The origin is the position where 𝒙 and 𝒚 are both zero. It has the coordinates (0, 0). The 𝒙-axis is the horizontal line and the 𝒚-axis is the vertical line. The origin is the position ...

Grid-in questions, or student-produced responses, account for about 22% of the 58-question SAT math section. As opposed to multiple-choice questions, where the correct answer is always one of the ...