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Published byBriana Wells Modified over 8 years ago

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Gold Day –3/26/2015 Blue Day – 3/27/2015

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Agenda Start discussing Linear inequalities – Last topic before test News 5 th 6 weeks ends 4/10/15 Unit 4 Review will be 3/31 & 4/1 Unit 4 test will be 4/2 & 4/6 Unless I am still EOC testing, and then it would be 4/2 & 4/6, and 4/7 &4/8

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Solve the following linear function word problems. 1. Diane knows a phone call to a friend costs 25 cents for the first 3 minutes and 10 cents for each additional minute. Write a linear equation to show this function. 2. Use your equation from question 1 to find the cost of a 30-minute call. 3. Nick is given $50 to spend on a vacation. He decides to spend $5 a day. Write a linear equation to show this function. 4. Use your equation in question 2 to find out when Nick will have $15 left.

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There are 3 different forms of linear equations Slope-intercept form - ___________________ Standard form - ___________________ Point-slope form - ___________________ y=mx+b Ax+By=C y – y 1 =m(x – x 1 )

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2 Times you flip the inequality 1. Move variable to the left 2. Multiply or divide by a negative number

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How to graph linear inequalities Solve for y. Graph using slope and y-intercept. Solid or dashed line? Shade!! Don’t forget to flip/flop the sign if you divide by a neg. #

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Open dots and dotted line +5x 4y < 5x – 8 4 4 4 =-2

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