Derive X^2 + 2x

2x + 2

SK
Answered by Sam K. Maths tutor

3593 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do you find the length of a side of a right angled triangle when given the other two side lengths?


Celine has £5 to buy pens and rubbers. Pens are 18p each. Rubbers are 30p each. She says “I will buy 15 pens. Then I will buy as many rubbers as possible. With my change I will buy more pens.” How many pens and how many rubbers does she buy? [5 marks]


Consider an isosceles triangle ABC, where AB=AC=1, M is the midpoint of BC, and <BAM=<CAM=x. Use trigonometry to find an expression for BM and by finding BC^2, show that cos2x = 1 - 2(sinx)^2.


Express x^2 +10x -3 in the form (x + p)^2 + q


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning