Algebra

Question 1 of 10

Find the 20th term of the arithmetic progression 3, 7, 11, …

Question 2 of 10

Simplify (3x²y)(4xy³).

Question 3 of 10

Simplify (x³ − 8)/(x − 2).

Question 4 of 10

Factorise ab + ac − 2b − 2c.

Question 5 of 10

Solve 3(x − 2) = 2(x + 1).

Question 6 of 10

Solve the simultaneous equations x + y = 7 and x − y = 1.

Question 7 of 10

The expression ax² + bx + c has a factor (x − 1) when

Question 8 of 10

Solve x² − 4x − 1 = 0, correct to 2 decimal places.

Question 9 of 10

The nth term of the sequence 5, 9, 13, 17, … is

Question 10 of 10

Solve x² − 5x + 6 = 0.