Over a million students use our free study notes to help them with their homework
An angle between 90 degrees and 180 degrees. NB- a reflex angle is an angle between 180 degrees and 360 degrees.
The curve is a quadratic equation because it has a x^2 - as it is positive it will be a u shaped parabola. The equation can be factorised by thinking of two numbers which add to make 4 (the b value) and m...
Solving simultaneous allows us to determine the value of two variables from two equations. 2x+y = 133x+2y = 21To find the value of the variables, our first step is to choose a variable and have equa...
161/5 x 2x =82/3 work out x
Chain rule:when we have a function on its own raised to a certain power. eg: f(x)=(2x+3)3--> f'(x)=3*2(2x+3)2Product rule:<...
←
677
678
679
680
681
→
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids
