What is the slope of the line through and ?
Answer and explanation
Correct answer: B. -3
- 3 drops the negative sign from the falling line's slope.
- -2 divides by instead of by ().
- -1/3 inverts the slope fraction as .
- -2 divides by instead of by ().
- -1/3 inverts the slope fraction as .
- Step 1: State the slope formula: .
- Step 2: Substitute and : .
- Step 3: Simplify numerator and denominator: .
Answer
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