Create a free account now and get 3 full lessons, completely free. Get my 3 free lessons

Grade 8 math · F.1 · Intercepts and equations of lines

y-intercept of a line from y = mx + b

In y = mx + b, m is the slope and b is the y-intercept. For the x-intercept, set y = 0 and solve for x.

Loading a question…

See worked examples
  1. What is the y-intercept of the line y = 6x + 4?

    Answer: 4

  2. What is the y-intercept of the line y = 8x + 9?

    Answer: 9

  3. What is the y-intercept of the line y = −7x − 11?

    Answer: -11

Tip: In y = mx + b, m is the slope and b is the y-intercept. For the x-intercept, set y = 0 and solve for x.

Print a worksheet of this skill New questions and an answer key, free.

Up next

Print a free worksheet with answers (20 questions).

Practise without limits

Members practise as much as they like, every day, and get the printable packs and lessons too.