0.2 Coordinates and Absolute Value

Question 1

Evaluate

Answer 1

separate when multiplying

Question 2

Evaluate

Answer 2

separate when dividing

Question 3

Distance Formula between 2 points

(x, y) (x, y)

Answer 3

Question 4

Evaluate

Answer 4

subtraction = flip around

Question 5

Midpoint formula for a line segment

a_____________b

Answer 5

This tells you the middle point between the ends when you only have one interval

             (a, b)

Question 6

Midpoint formula for line with
double endpoints

(a,b) ___________________ (c,d)

Answer 6

Also: (x1 +x2)/2
(y1+y2)/2

Question 7

(h, k)

Answer 7

Center of a circle

Question 8

Find the standard form equation of a circle with center (2, –3) and radius 4.

Answer 8

h = 2, k = –3, and r = 4

Question 9

Standard form equation of a circle

Answer 9