Slope measures line's rate of change. Slope is found by multiplying variable "x" by number in equation. Equation must be in slope-intercept form (y = mx + b)
Bar graphs show changes over time using rectangular bars. Bars can be horizontal or vertical, lengths proportional to data. Used for comparing two or more values
Line graph shows data changes over time using connected points. X-axis presents categories, Y-axis shows scale in equal intervals. Graph can contain multiple lines for comparison and time changes
Line graphs typically contain 2-5 lines, but more than 5 lines are possible. Task 1 requires 170-190 words, with Task Response accounting for 25%. Graphs must include accurate data and specific vocabulary
Latest IELTS Writing Task 1 topics from 2019 to 2024 are provided. Sample answers for various graph types including charts, maps, and processes. Sample answers available for both new and previously reported questions
Line graphs require 4 paragraphs: introduction, summary, 2 detail paragraphs. Bar charts compare data in categories like marriages, education, consumer spending. Tables should be organized into 4 paragraphs with comparisons. Pie charts compare proportions of different categories. Maps show spatial relationships between features