Joel maps his house and his school on a coordinate grid where each unit is 1 block. His school is at (-7, -2). His house is at (
3, -2). How many blocks from his house is his school?
2 answers:
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Answer:
X = 9 or x = -9
Step-by-step explanation:
We want to solve the quadratic equation
We shall use the square root method
Let us add 4 to both sides to get:
We take square to get:
The solution is x=9 or -9