Answer: 7.
- A 3
- B 7
- C -7
- D 0
Correct answer: B. 7
Explanation: In y = mx + c, c is the y-intercept. Here c = 7. Line crosses y-axis at (0,7).
The slope of a line is the ratio of vertical change (rise) to horizontal change (run) between any two points on it - equivalently, the tangent of the angle θ the line makes with the positive x-axis.