What is the slope of the line through and ?
Answer and explanation
Correct answer: C. 3
- 1/3 inverts the rise and run as .
- 4 is the change in () rather than the slope.
- -3 introduces an incorrect negative sign on a line with positive slope.
- 4 is the change in () rather than the slope.
- -3 introduces an incorrect negative sign on a line with positive slope.
- Step 1: State the slope formula: .
- Step 2: Substitute and : .
- Step 3: Simplify numerator and denominator: .
Answer
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