Grade 8 math · G.2 · Functions
Evaluate a linear function
Replace x with the number in the brackets and work it out.
Loading a question…
You've done today's 10 free questions.
Come back tomorrow for 10 more, or get unlimited practice with a membership.
Want more today? Print 20 more questions free, with the answers.
Already a member? Sign in.
See worked examples
f(x) = −2x − 6. Find f(5).
Answer: -16
f(x) = 6x + 2. Find f(4).
Answer: 26
f(x) = 5x + 3. Find f(−6).
Answer: -27
Tip: Replace x with the number in the brackets and work it out.
Print a worksheet of this skill New questions and an answer key, free.
Up next
- Next in this topic Evaluate a quadratic function Grade 8
- Ready for more Evaluate linear functions Grade 9
Print a free worksheet with answers (20 questions).
Practice without limits
Members practice as much as they like, every day, and get the printable packs and lessons too.