Component 3 Using Technology to Picture Change

Component 3 Using Technology to Picture Change

3 Using Technology to Picture Change The intersection is the solution! Cinderella y1 50 5w Stepsister y2 170 – 10w

3 Using Technology to Picture Change Cinderella had only 50 in her savings account, and saved 5 each week. What will be the weekly increase or rate of change in her account? Check your Work

3 Using Technology to Picture Change The weekly change is 5 so, m 5 x number of weeks she worked y the amount of money in her account If x 0, what is y? Check your Work

3 Using Technology to Picture Change Did you answer that y 50 when x 0? If m 5 and b 50, write Cinderella’s equation in slopeintercept form. Check your Work

3 Using Technology to Picture Change y 5x 50 Spent 170 and an additional 10 a week Write this equation in slope-intercept form. Check your Work

3 Using Technology to Picture Change Cinderella in y1 -10 yslope 5x 50 y intercept 170 Stepsister in y2 -10x -10x 170 yy 170 Continue

3 Using Technology to Picture Change 160 120 Press ZOOM and Select 0. Press enter to learn that when x Press xisvalue 8, y2nd willtrace be 90. and select (number ofoption weeks)5 At the end of week 8, both girls ywill values have 90. (amounts of money) 80 40 40 80 120 160

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