What is the slope of the line through and ?

Answer and explanation

Correct answer: B. -3

- -2 divides by 3 instead of 2.
- 3 drops the negative sign from the slope.
- -1/3 inverts the slope formula as .
  1. Step 1: State the slope formula: .
  2. Step 2: Substitute and : .
  3. Step 3: Simplify numerator and denominator: .
Answer
.

Practise more Lines and slope.

Free questions with an explanation for every one, and full timed ACT mock tests.