Sequences, functions, graphs Quiz - Mathematics Algebra

Free practice quiz: Sequences, functions, graphs (Mathematics Algebra). 13 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This Mathematics Algebra practice quiz has 13 multiple-choice questions on Sequences, functions, graphs, and 13 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. What is the nth term of 4, 7, 10, 13?

   1. 3n + 1
   2. 4n
   3. n + 3
   4. 3n + 4
   Show answer

   Answer: A. 3n + 1

   Difference is 3. Check: 3(1) + 1 = 4.

2. f(x) = x/2 + 1. Find the input when the output is 5

   1. 4
   2. 8
   3. 6
   4. 10
   Show answer

   Answer: B. 8

   x/2 = 4, so x = 8.

3. A phone plan costs £10 per month plus 5p per minute m. Cost C in pounds?

   1. C = 0.05m + 10
   2. C = 10m + 0.05
   3. C = 10 + 5m
   4. C = 0.5m + 10
   Show answer

   Answer: A. C = 0.05m + 10

   5p = £0.05 per minute.

4. y = −x + 4. Find y when x = 2

   1. 6
   2. −2
   3. 2
   4. 4
   Show answer

   Answer: C. 2

   −2 + 4 = 2.

5. Which line is parallel to y = 2x + 5?

   1. y = −2x + 5
   2. y = 2x − 1
   3. y = x + 5
   4. y = 5x + 2
   Show answer

   Answer: B. y = 2x − 1

   Parallel lines have the same gradient.

More questions in this quiz

Answers and explanations are in the full quiz.

1. A sequence has nth term 5n − 2. What is the 10th term?
2. A taxi charges £3 plus £2 per mile. Which equation gives cost C for m miles?
3. A plumber charges £20 call-out plus £30 per hour. Hours h, total T. Which equation?
4. y = 2x + 1. Find y when x = 3
5. Which point lies on the line y = 3x − 2?
6. What are the gradient and y-intercept of y = 4x − 3?
7. What is the gradient of y = −x + 6?
8. Lines y = x + 1 and y = 3 − x intersect at which point?

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