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Questions and Answers
Which of the following is the equation of a line in slope-intercept form?
Which of the following is the equation of a line in slope-intercept form?
- x = my - b
- x = my + b
- y = mx + b (correct)
- y = mx - b
What is the equation of a vertical line?
What is the equation of a vertical line?
- y = mx + b
- x = my + b
- x = a (correct)
- y = a
What is the midpoint formula for two points (x1, y1) and (x2, y2)?
What is the midpoint formula for two points (x1, y1) and (x2, y2)?
- ((x1 - y1)/2, (x2 - y2)/2)
- ((x1 - x2)/2, (y1 - y2)/2)
- ((x1 + y1)/2, (x2 + y2)/2)
- ((x1 + x2)/2, (y1 + y2)/2) (correct)
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Study Notes
Equations of Lines
- The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
- The equation of a vertical line is x = a, where a is the x-intercept.
Midpoint Formula
- The midpoint formula for two points (x1, y1) and (x2, y2) is ((x1 + x2)/2, (y1 + y2)/2).
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