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Interpret negative numbers, locate coordinates and describe horizontal and vertical moves.
Free examples and worked answers. No account needed.
Practise the method.
Interpret negative numbers, locate coordinates and describe horizontal and vertical moves.
Interpret negative numbers, locate coordinates and describe horizontal and vertical moves.
Example 1
P starts at (3,3). It moves 3 units right, then 3 units up. What are its new coordinates (x,y)?
Point P on four quadrantsShow worked answer
Answer: (6,6)
- A horizontal move changes only x:3+3=6.
- A vertical move changes only y:3+3=6.
Example 2
Write the coordinates of P as (x,y). Read the horizontal coordinate first.
Point P on four quadrantsShow worked answer
Answer: (4,4)
- P is 4 units right of the origin, so x=4.
- P is 4 units above the origin, so y=4.
Example 3
An account balance is−$3. A deposit of $16 is added. What is the new balance in dollars? Use a negative number if money is still owed.
Show worked answer
Answer: 13
- A negative balance represents money owed.
- Start at−3 and move 16 places to the right: −3+16=13.
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