What is the slope of the line through and ?
Answer and explanation
Correct answer: C. 4
- -4 results from a sign error in the denominator (calculating or misapplying subtraction).
- 5 is the -coordinate of the second point rather than the slope.
- 1/4 inverts the slope formula as .
- 5 is the -coordinate of the second point rather than the slope.
- 1/4 inverts the slope formula as .
- Step 1: State the slope formula: .
- Step 2: Substitute and : .
- Step 3: Simplify numerator and denominator: .
Answer
.
Practise more Lines and slope.
Free questions with an explanation for every one, and full timed SAT mock tests.
More Lines and slope questions
- What is the slope of the line through and ?
- What is the slope of the line through and ?
- What is the slope of the line through and ?
- What is the slope of the line through and ?
- What is the slope of the line through and ?
- Line passes through the point and is perpendicular to the line . At what -coordinate does intersect the l…