Algebra 1

Solving for y & Identify Slope & Intercept

Day 12 Objective: 3.03, 4.01

Examples1) 2x + 5y = 8 2) 2x = 8 + y

Examples3) -3x + 2y = 4 4) 5x – y = 8

Examples5) 6)

385

41 yx 24

1 32 xy

Vocabulary

Slope-Intercept Form: y = mx + b

m – slope b – y-intercept

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

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

Examples

Write the equation of the line.17) 18)

Assignment

Worksheet