Check Your Understanding-Coordinate Geometry

Find the slope. Slope = ______

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• nothing

Find the midpoint of the segment with the endpoints:(6, 7) and (6, -5) . Midpoint _________

Find the distance between (1, 3) and (5, 6) . Distance is _____ units.

Write the equation of a circle with center (h,k) and radius r.

• x^2 + y^2  = r^2
• (x + h)^2 +  (y + h)^2 = r^2
• (x - h)^2 + (y - k)^2 = r^2
• (x - h)^2 - (h - k)^2 = r

What is the perimeter of the shape? Perimeter is _______

The rectangle shown has coordinates (3, 2), (-2, 2), (-2, -1), (3, -1)

What is the length of the longest side of the rectangle? The length of the longest side is ______.

Which letter matches the coordinate (0, -6)? _____

P(-3,3) is a point on a horizontal line segment AB such that AP = PB = 4 units. If A is on the left of B, find the coordinates of B.

In the ordered pair (4,9), which number is the y-coordinate?

• 4
• 9
• neither
• both