a. (3, -7)

• from the origin, 3 unit to the right, 7 unit to the downward.
• the point location is 4th Quadrant

b. (7,7)

• from the origin,7 unit to the right, 7 unit upward
• the point location is 1st Quadrant

c. (-8,-3)

• from the origin, 8 unit to the left, 3 unit downward
• the point location is 3rd Quadrant

d. (-4,10)

• from the origin, 4 unit to the left, 10 unit upward
• the point location is 2nd Quadrant

e. (0,42)

• from the origin, 0 unit at the point of origin, 42 unit upward
• the point location is straight to the y-axis

"This answer is very serious that i gave to you, this is not a nonsense answer"

Hope it's Help