Web18 mei 2024 · Make r the Subject of the formula algebra-precalculus polynomials quadratics 2,596 You have an equation of the form : a x 2 + b x + c = 0 which can be written : ( x + b 2 a) 2 = b 2 − 4 a c 4 a 2 If b 2 − 4 a c is positive, you can take the square root, thus : x + b 2 a = ± b 2 − 4 a c 2 a ie x = − b ± b 2 − 4 a c 2 a 2,596 WebMaths Genie - Free Online GCSE and A Level Maths Revision

Changing the Subject (advanced) Practice Questions - Corbettmaths

Web23 dec. 2013 · Changing the Subject - Corbettmaths corbettmaths 158K subscribers … WebMaking a different letter the subject of a formula means manipulating the formula to get that letter by itself on one side of the equation. Example: For the equation C=2\pi \textcolor {blue} {r} C = 2πr, make \textcolor {blue} {r} r the subject. Step 1: Dividing both sides of the equation by 2\pi 2π outsourced data entry

Rearranging formulae where the subject appears twice

Webchanging the subject corbett maths WebDifferentiated Learning Objectives. All students should be able to rearrange a formula ax + bx = c by factorising to make x the subject. Most students should be able to rearrange a formula in the form (a/x) + b = c to make x the subject. Some students should be able to rearrange a formula in the form a/ (x+d) = b/ (x-c) to make x the subject. Webcorbettmaths.com outsourced delivery