Problemas

Maths Exercises

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Pre-Algebra
Algebra
Geometry
Graphs and functions
Trigonometry
Coordinate geometry
Combinatorics

Exponents & roots

Proporcional reasoning

Special products

Word problems - equations

Quadratic equations

Simultaneous equations

Word problems- Simultaneous equations

Exponential and logarithmic equations

Sequences and series

Systems of 3 variables equations

Inverse of a matrix

Pythagorean Theorem

Quadratic function

Continuity and discontinuities

Trigonometric functions of an acute angle

Trigonometric functions of related angles

Trigonometric identities

Solving right triangles

Equations of a straight line

Parallel, coincident and intersecting lines

Angles in space

Factorial	Variations without repetition	Variations with repetition	Permutations without repetition
Permutations with repetition	Circular permutations	Binomial coefficient	Combinations without repetition
Combinations with repetition	Exercises

Linear equation

Anna's father, John, is 2times his daughter's age. However, 4years earlier John was 4times Anna's age. How old are Anna and John now?

Ana is years old and John is years old