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What is BODMAS?

BODMAS is an acronym that tells you what order to do things in a maths equation. It stands for brackets, order (e.g. 2 2 ), division/multiplication and addition/subtraction.
JK
Answered by Jessica K. • Maths tutor
4161 Views

What fractions are equivalent to 1/4?

3/12, 2/8. To identify fractions which are equivalent to one another, you need to identify the common multiple of both the denominator and numerator and then simplify. When a fraction is equivalent to one an...
KN
Answered by Konstantin N. • Maths tutor
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Solve algebraically: 6a + b = 16 ..... 5a - 2b = 19

first equation: 6a + b = 16 second equation: 5a - 2b = 19 from 2 times first equation + second equation 17a = 51 meaning a = 3 .... from the first equation 6(3) + b = 16 therefore b = - 2
BC
Answered by Benjamin C. • Maths tutor
3561 Views

Express 160 as a product of its prime factors

Divide 160 by 2 as many times as you can to get 80x2, 40x2x2, 20x2x2x2, 10x2x2x2x2, 5x2x2x2x2x2. Then re-write your answer so that it is 5x2^5. If you're struggling to divide by 2 and keep track of how many ...
RK
Answered by Rachel K. • Maths tutor
41713 Views

Use factorisation to solve the equation x^2+5x+6=0

As we are considering a quadratic equation, we are looking for two values of x that make the equation equal to 0. To factorise, first look to the constant term (the term without any x) to find 2 numbers that...
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Answered by Niamh C. • Maths tutor
4288 Views