Solving for y
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The document provides examples of solving linear equations for y and identifying the slope and y-intercept of lines. It includes examples of writing equations in slope-intercept form from given values of slope and y-intercept, as well as writing equations of lines from descriptions. The vocabulary defines slope-intercept form as y = mx + b, where m is the slope and b is the y-intercept.
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Solving for y
- 1. Algebra 1 Solving for y & Identify Slope & Intercept Day 12 Objective: 3.03, 4.01
- 2. Examples 1) 2x + 5y = 8 2) 2x = 8 + y
- 3. Examples 3) -3x + 2y = 4 4) 5x – y = 8
- 4. Examples 5) 6)
- 5. Vocabulary Slope-Intercept Form: y = mx + b m – slope b – y-intercept
- 6. Examples Find the slope and y-intercept of each equation. 7) y = -2x + 1 10) y = ½ x – 5 8) y = ⅝x 11) y = 5 9) 2x + 3y = 7 12) -3x – 2y = 14
- 7. Examples Write an equation in slope-intercept form. 13) m = 3, b = 4 15) m = -2, b = 8 14) m = 0, b = -3 16) m = undefined, b = 4
- 8. Examples Write the equation of the line. 17) 18)