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9/20 Bell Ringer Step 1: Grab materials from front of the room Step 2: Answer this question on your bell ringer sheet: Here is a table of test scores based on number of hours studied. Is it linear? State how you know. X (# hrs)01234 Y (score)045608595 Homework: Finish today’s IP.

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9/20 News and Notes

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9/20 Agenda I CAN solve an equation of the form a = mx + b where a is a constant. 1.Bell Ringer and Announcements 2.New Material – 2 examples 3.Guided Practice – Partner work 4.Independent Practice – On your own 5.ACT Question of the Day

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Example #1 25 = ½ x – 2 +2 + 2 27 = ½ x*2 54 = x

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Example 2 Y = 3X – 2 Solve for Y, given different values of X. XY 2 1 0 -2 4 1 -5 -8 (2, 4)

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Guided Practice With your elbow partner Step 1: Solve for x (one partner does #1, other #2) Step 2: Trade with partner Step 3: Check partner’s work, fix mistakes, then copy their work to your notes.

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Guided Practice #2 Step 1: Choose 1 of 2 problems Step 2: Solve for Y given the 5 values of X Step 3: Trade papers, check work. Step 4: Plot your partner’s points and graph.

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Independent Practice You now have all but the last 5 minutes of class to work on the Independent Practice.

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ACT Question of the Day Solve for x: –4x + 5 = 21 A.X = 4 B.X = 6.5 C.X = -4 D.X = -6.5 Homework: Finish today’s IP.

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Graphing Using Slope - Intercept STEPS : 1. Equation must be in y = mx + b form 2. Plot your y – intercept ( 0, y ) 3. Using your y – intercept as a starting.

Graphing Using Slope - Intercept STEPS : 1. Equation must be in y = mx + b form 2. Plot your y – intercept ( 0, y ) 3. Using your y – intercept as a starting.

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