5.4 Slope Intercept Form Part B

5.4 Slope Intercept Form Part B Practice

X Intercept ,[object Object],[object Object],Y Intercept

Give the coordinates of the point where each line crosses the y-axis. ,[object Object],y = 3(0) + 4 y = 0 + 4 y = 4 (0, 4) 2. y = 2x - 3 y = 2(0) - 3 y = 0 - 3 y = -3 (0, -3)

Give the coordinates of the point where each line crosses the y-axis. ,[object Object],y = 1/2(0) y = 0 (0, 0) 4. y = 2 - x y = 2 - 0 y = 2 (0, 2)

Write an equation for each line. ,[object Object],Slope = 4 2 B = y-intercept b = 4 y = mx + b y = 2x + 4 = 2

Write an equation for each line. ,[object Object],Slope = - 2 4 B = y-intercept b = -2 y = mx + b y = -1/2x - 2 = -1 2

Write an equation for each line. ,[object Object],y = mx + b y = 2x + 4 8. With a slope of -3 and a y-intercept of 1 y = mx + b y = -3x + 1

Write an equation for each line. ,[object Object],y = mx + b y = 2x - 4 10. Through (0, 6) and with a slope of 1/2 y = mx + b y = 1/2x + 6

Write an equation for each line. ,[object Object],y = mx + b y = -3/4x - 3 12. Through (0,1) and with a slope of 1.5 y = mx + b y = 1.5x + 1

Write an equation for the line containing each pair of points. ,[object Object],[object Object],slope = rise = y 2 – y 1 = run x 2 – x 1 6 - 8 = 2 - 3 x 1 , y 1 x 2 , y 2 -2 = -1 2

Write an equation for the line containing each pair of points. ,[object Object],Y = mx + b Step 2: Find y-intercept 8 = 2(3) + b 8 = 6 + b -6 -6 2 = b Step 3: Write Equation Y = mx + b Y = 2x + 2

Write an equation for the line containing each pair of points. ,[object Object],[object Object],slope = rise = y 2 – y 1 = run x 2 – x 1 3 - (-6) = -3 - 0 x 1 , y 1 x 2 , y 2 9 = -3 -3

Write an equation for the line containing each pair of points. ,[object Object],Y = mx + b Step 2: Find y-intercept -6 = -3(0) + b -6 = 0 + b -6 = b Step 3: Write Equation Y = mx + b Y = -3x - 6

Write an equation for the line containing each pair of points. ,[object Object],slope = rise = y 2 – y 1 = run x 2 – x 1 -1 - (-4) = 5 - (-2) x 1 , y 1 x 2 , y 2 3 7

Write an equation for the line containing each pair of points. ,[object Object],Y = mx + b Step 2: Find y-intercept -4 = 3/7(-2) + b -4 = -6/7 + b -22 = b 7 Step 3: Write Equation Y = mx + b Y = 3 x - 22 7 7 +6/7 = +6/7

Student Study Guide ,[object Object],[object Object],[object Object],[object Object],[object Object]

Write an equation for the line containing each pair of points. ,[object Object],[object Object],slope = rise = y 2 – y 1 = run x 2 – x 1 -4 - (-2) = -3 - (-1) x 1 , y 1 x 2 , y 2 -2 = -2 1

Write an equation for the line containing each pair of points. ,[object Object],Y = mx + b Step 2: Find y-intercept -2 = 1(-1) + b -2 = -1 + b -1 = b Step 3: Write Equation Y = mx + b Y = x - 1 +1 = +1

5.4 Slope Intercept Form Part B

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5.4 Slope Intercept Form Part B