General term of a sequence
Types of exercises: term of a sequence from its formula, which term of a sequence has a given value.
Exercises are drawn at random from a large bank - every click gives a different set.
Narrow the topic
Solved: 0 of 10
Which term of this sequence equals 26?
aₙ = n² − 8n − 7
Compute the indicated term of the sequence
aₙ = −4n² − 12n + 11, a₆ = ?
Which term of this sequence equals 56?
aₙ = n² − 3n + 2
Compute the indicated term of the sequence
aₙ = 2n² − 2n − 14, a₃ = ?
How many terms of this sequence are positive?
aₙ = −4n + 34
Compute the indicated term of the sequence
aₙ = 12n + 2, a₁₁ = ?
Which term of this sequence equals −3?
aₙ = 3n − 18
Compute the indicated term of the sequence
aₙ = −2n² + 5n + 2, a₅ = ?
Which term of this sequence equals 38?
aₙ = n + 20
Compute the indicated term of the sequence
aₙ = 5n − 13, a₇ = ?
This address is one particular set - everyone who opens it gets exactly the same exercises. Copy the link from the address bar and send it to the class. You can generate a new set at the top of the page.
PhiBoard is a free online whiteboard for maths
These exercises are part of it. On the board itself you can plot a function, write a formula in LaTeX, or solve a problem together with a teacher or a friend - live, in the browser. Our app is completely free.