Coordinate Geometry - points and lines

Points R(2;5) and S(3;1) are given. Find the length RS.

• sq. root 17

• 17

• sq. root 13

• 13

Points R(4;-6) and S(5;0) are given. Find the length RS.

• sq. root 125

• sq. root 37

• sq. root 13

• 125

Find the coordinates of the midpoint of AB if A(6;5), B(-2;3).

• (4;4)

• (4;1)

• (2;4)

• (2;1)

Find the coordinates of the midpoint of AB if A(-1;2), B(-3;4).

• (2; 2)

• (1; 1)

• (-2;3)

• (-1; -3)

A( 3;0), M(-5;1) are given, and M is the midpoint of segment AB. Find the coordinates of B.

• (-1; 0.5)

• (-4; 0.5)

• (2;-13)

• (-13;2)

Find the coordinates of B if A( -5;7), M(-2; -4) are given, and M is the midpoint of segment AB.

• (-1; -15)

• (1; -15)

• (15; 1)

• (-3.5; 1.5)

Two points of a line are given: R(4;3), S(-1;-3). Find the slope of the line.

• 5/6

• 10/12

• -6/5

• 1.2

Find the slope of line RS if R(-1; 6), S(2;-3).

• 1/3

• -1/3

• -3

• 3

What is the value of a if line CD has slope m=2 for C(-2;-1) and D(2; a)?

• 7

• -7

• 1/7

• -1/7

What is the equation of the line taht passes through point P and has slope m? P(1;3), m=2

• 2x-y=1

• y=2x+1

• x-2y=1

• y=2x-1