Coordinate Geometry

The equation y = 3 represents a line:

Which of these lines is perpendicular to y = 2x + 5?

If a line makes an angle of 45 degrees with the X-axis, its slope is:

Find the length of the segment from (0,0) to the point of intersection of x + y = 4 and x - y = 0.

The points (k, 2-2k), (1-k, 2k), and (-4-k, 6-2k) are collinear if k is:

The equation x^2 + y^2 = 0 represents:

What is the slope of a line which is perpendicular to the Y-axis?

The line y = x makes an angle with the X-axis of:

Equation of the Y-axis is:

What is the distance between the points (2, 3) and (5, 7)?

Find the slope of the line passing through (1, 2) and (3, 6).

What is the midpoint of the line segment joining (4, 10) and (6, 2)?

The distance of the point (3, 4) from the origin is:

What is the slope of a horizontal line?

What is the y-intercept of the line y = 3x - 5?

If the slope of two lines are m1 and m2, what is the condition for them to be parallel?

What is the slope of the line x = 5?

The coordinates of the centroid of a triangle with vertices (x1, y1), (x2, y2), and (x3, y3) is:

Find the slope of a line which makes an angle of 45 degrees with the positive direction of the x-axis.

Which of the following points lies on the line y = 2x + 1?