SWBAT: Graphing Linear Functions Lesson 6-7 Do Now: 1) 2) 1 SWBAT: Graphing Linear Functions Lesson 6-7 1) Find the slope and the y-intercept of the graph of each linear equation. a) b) c) y = 3x – 4 y = 6.5 −5x − y = −2 2) C heck for understanding. Find the slope and y-intercept of each linear equation. a) y = −6x + 1 b) y = 8 c) x + 4y = −10 2 SWBAT: Graphing Linear Functions Lesson 6-7 Graphing Linear Equations Using Slope-Intercept Form Steps for graphing using the slope-intercept form Step 1: Solve for y Step 2: Identify the slope Step 3: Identify the y-intercept Graphing Linear Equations by using the slope and y-intercept 3) 4) a) Write the equation in slope-intercept form. a) Write the equation in slope-intercept form. 1 y 2 x 2 2 x 3 y 6 b) Identify the slope__________________ c) Identify the y-intercept______________ d) Write the equation in function notation. b) Identify the slope__________________ c) Identify the y-intercept______________ d) Write the equation in function notation. e) Graph the function. e) Graph the function. Are these statements always true or false for the function? Are these statements always true or false for the function? f ( x) 0 If x < 0, then f ( x) 0 f ( x) 0 If x < 0, then f ( x) 0 f ( x) 0 If x > 0, then f ( x) 0 f ( x) 0 If x > 0, then f ( x) 0 3 SWBAT: Graphing Linear Functions Lesson 6-7 5) a) Write the equation in slope-intercept form. 4 y 6x 4 b) Identify the slope__________________ c) Identify the y-intercept______________ d) Write the equation in function notation. e) Graph the function. Are these statements always true or false for the function? f ( x) 0 If x < 0, then f ( x) 0 f ( x) 0 If x > 0, then f ( x) 0 4 SWBAT: Graphing Linear Functions Lesson 6-7 LESSON PRACTICE 15, 17, 18, 20, 21, 23, 24, 25-28 (use graphs provided for 25-28) 5 SWBAT: Graphing Linear Functions Lesson 6-7 25. 26. 27. 28. 6 SWBAT: Graphing Linear Functions Lesson 6-7 LESSON PRACTICE ANSWERS! 7
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