Algebra: Day 19
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11 Terms
Writing Equations of Lines
What is the first thing to identify before writing a line equation?
Method Selection
When should you use y = mx + b directly?
Slope-Intercept Form
Write the equation of a line with slope 3 and y-intercept -2.
Method Selection
When should you use point-slope form?
Point-Slope Process
Write the equation through (2,5) with slope 4.
Two Points
What is the first step when given two points?
Two-Point Process
Write an equation through (1,2) and (3,6).
Graph Recognition
How do you write an equation from a graph?
Verification
How do you check a line equation?
Exam Trap
A line has slope -3 and y-intercept 4. A student writes y = 3x + 4. What is wrong?