WARM UP MIXED REVIEW (solve the equation) 1.X + 6 = 14 2.9 – y = 4 3.7b = 21 4. = 3 5.3x – 12 = 6 6. h – 2 = 1 5 Minutes Remain a4a4 1313.

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WARM UP MIXED REVIEW (solve the equation) 1.X + 6 = – y = 4 3.7b = = 3 5.3x – 12 = 6 6. h – 2 = 1 5 Minutes Remain a4a4 1313

WARM UP MIXED REVIEW (solve the equation) 1.X + 6 = – y = 4 3.7b = = 3 5.3x – 12 = 6 6. h – 2 = a4a4

WARM UP MIXED REVIEW (solve the equation) 1.X + 6 = – y = 4 3.7b = = 3 5.3x – 12 = 6 6. h – 2 = a4a4

WARM UP MIXED REVIEW (solve the equation) 1.X + 6 = – y = 4 3.7b = = 3 5.3x – 12 = 6 6. h – 2 = a4a4

WARM UP MIXED REVIEW (solve the equation) 1.X + 6 = – y = 4 3.7b = = 3 5.3x – 12 = 6 6. h – 2 = a4a4

WARM UP MIXED REVIEW (solve the equation) 1.X + 6 = – y = 4 3.7b = = 3 5.3x – 12 = 6 6. h – 2 = a4a4

4.7 Graphing Lines Using Slope- Intercept Form Today’s Schedule: Lesson 4.7 Powerpoint Lesson 4.7 Powerpoint In class assignment/homework In class assignment/homework Exit Slip Exit Slip GOAL: Graph a linear equation in slope-intercept form. KEY WORDS: slope, y-intercept, slope-intercept form, parallel lines.

4.7 Graphing Lines Using Slope- Intercept Form CLASS SCHEDULE UNTIL BREAK: 12/9 -12/12: Graphing Lines using Slope-Intercept Form 12/13: Quiz 12/16-12/17: Functions and Relations 12/18: Chapter 4 review 12/19: Chapter Four Test

4.7 Graphing Lines Using Slope- Intercept Form SLOPE-INTERCEPT FORM OF THE EQUATION OF A LINE The linear equation y = mx + b is written in slope-intercept form, where m is the slope and b is the y-intercept. y = mx + b slope y-intercept

4.7 Graphing Lines Using Slope- Intercept Form Find the Slope and y-Intercept EXAMPLE 2 Find the Slope and y-Intercept Find the slope an y-intercept of 2x – y = -3 1 Write the original equation2x – y = -3

4.7 Graphing Lines Using Slope- Intercept Form Find the Slope and y-Intercept EXAMPLE 2 Find the Slope and y-Intercept Find the slope an y-intercept of 2x – y = -3 2 Subtract 2x from each side2x – y = -3 -y = -2x - 3

4.7 Graphing Lines Using Slope- Intercept Form Find the Slope and y-Intercept EXAMPLE 2 Find the Slope and y-Intercept Find the slope an y-intercept of 2x – y = -3 3 Divide each side by -12x – y = -3 -y = -2x - 3 y = 2x + 3 ANSWER > The slope is 2 and the y-intercept is 3.

4.7 Graphing Lines Using Slope- Intercept Form Practice # 1: Rewrite the equation in slope-intercept form and graph –x + y = 9

4.7 Graphing Lines Using Slope- Intercept Form Practice # 2: Rewrite the equation in slope-intercept form and graph 3x + y = -11

4.7 Graphing Lines Using Slope- Intercept Form Practice # 3: Rewrite the equation in slope-intercept form and graph 10x - 5y = 50

4.7 Graphing Lines Using Slope- Intercept Form Practice # 4: Identify the slope (m) and y-intercept (b) of the graph and write the equation.

4.7 Graphing Lines Using Slope- Intercept Form Practice # 6: Identify the slope (m) and y-intercept (b) of the graph and write the equation.

4.7 Graphing Lines Using Slope- Intercept Form Practice # 6: Identify the slope (m) and y-intercept (b) of the graph and write the equation.

Write the equation in slope-intercept form, then graph the equation 1.x + y = 0 2.x + y = 6 3.x + y = 8 4.x + 4y = x + y = 4 6.x + 3y = x + 4y = 8 8.4x – y = 5 9.4y + 2x = y – 6x = x – 5y = y + 3 = 6x 13.5y + 10x = y – 6 = -6x