Mathematics, 25.02.2020 21:50 iwannabewinston

Tyree is determining the distance of a segment whose endpoints are A(–4, –2) and B(–7, –7).

Step 1: d = StartRoot (negative 7 minus (negative 7)) squared + (negative 4 minus (negative 2)) squared EndRoot

Step 2: d = StartRoot (negative 7 + 7) squared + (negative 4 + 2) squared EndRoot

Step 3: d = StartRoot (0) squared + (negative 2) squared EndRoot

Step 4: d = StartRoot 0 + 4 EndRoot

Step 5: d = StartRoot 4 EndRoot

Therefore, d = 2.

Which best describes the accuracy of Tyree’s solution?
Tyree’s solution is accurate.
Tyree’s solution is inaccurate. In step 1, he substituted incorrectly.
Tyree’s solution is inaccurate. In step 2, he simplified incorrectly.
Tyree’s solution is inaccurate. In step 3, he added incorrectly.

Answers: 2

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Tyree is determining the distance of a segment whose endpoints are A(–4, –2) and B(–7, –7).

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