View CN4B_quadratics_review
## Quadratics Review | |
Solve for x: | |
x^2 - 11x - 26 = 0 | |
(x - 13)(x + 2) = 0 | |
x^2 + 8x - 20 = 0 | |
(x - 2)(x + 10) = 0 |
View CN4B_surds
## Surds | |
## Surd Algebra: | |
4sqrt(5) + 3sqrt(5) = 7sqrt(5) | |
8sqrt(3) * 2sqrt(3) = 16sqrt(3)sqrt(3) = 48 | |
sqrt(8) / sqrt(2) = sqrt(4) = 2 |
View CN4B_index
## Index | |
Quadratics | |
- Completing the square method | |
- Using the quadratic formula | |
- The discriminant and nature of roots | |
- Irrational equations | |
Misc | |
- Surds |
View memrise-export.js
(() => { | |
function getWords(courseId, level) { | |
const url = `https://www.memrise.com/ajax/session/?course_id=${courseId}&level_index=${level}&session_slug=preview` | |
console.log('Fetching words from ' + url) | |
return fetch(url, { credentials: 'same-origin' }) | |
// parse response | |
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