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Module 2

Module 2. Science. Do you know how to...? Read a venn diagram Difference between a union and intersection. A={1,2,3,4,5} B={2,4,6,8,10} Union AUB = { , , , , , , , } Intersection A∏B = { , }. History. Math. Module 2. Do you know how to...?

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Module 2

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  1. Module 2 Science Do you know how to...? Read a venn diagram Difference between a union and intersection. A={1,2,3,4,5} B={2,4,6,8,10} Union AUB = { , , , , , , , } Intersection A∏B = { , } History Math

  2. Module 2 Do you know how to...? Find the cross products of sets. A = { a, b, c, d} B = {1,2,3} A xB = { ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , ) ( , )} Find the mean, median and mode of a set of data 1,3,5,5, 6, 4, 8, 7,7,7,9 Mode (# occurs the most) – Median ( middle number)– Mean (average of all numbers) - Take some time to review each lesson in Module 2. Using your 02.07 Test as a study guide would be the time efficient way to review this material.

  3. Module 3 Do you know how to.....? • Tell the difference between various real number systems. • Rational Numbers • Irrational Numbers • Integers • Whole Numbers • Counting Numbers • Add, subtract, multiply and divide integers. • -4 * -3 = • (-32)/ (-4) = • 8 + -3 = • -2 - -6 = • Work problems using the order of operations. • (3+2)2 -4*8 +2

  4. Module 3 Do you know how to.....? • Work with basic exponents. • 52 = • (-12)3 = • Work with absolute value. • l7l = • -l7l = • l-7l = • Write equations from sentences. • Susie has 2 more cd’s than Jane • Jane has 5 less cd’s than Bill • Bill has 6 cd’s

  5. Module 4

  6. Module 4 (cont’d) • Simplifying Expressions (using LCD and GCF) • What’s the GCF? (4x+22) • What’s the LCD? 5/10 + 4/6 • Evaluating Expressions • a2 + 3b -19 a = -2 b=4 • Solving Equations • 3x+12 = 8 x2 + 2x -3= 0

  7. Module 4 (cont’d) • Direct and Indirect variation • Direct Variation is • Indirect Variation is • Absolute Value Equations • lx+7l =10 -lx+6l +4 =10 lx+8l -1 =5 • Functions and Relations • What is a relation? • f(x) =3x+2 evaluate when x=8 • Every _________ is always a __________

  8. Module 5 Do you know how to … • Find the slope (using points and y-int forms) • (2,8) (-4,3) • y = -1/5 x – 2/3 • Find x-and y-intercepts • y= 4x -7 3x-3y =9 • X int • Y int • Difference between horizontal and vertical lines • X= -2 HOY VUX • Y = -2

  9. Module 5 (cont’d) • Show that two lines are parallel, perpendicular, or neither parallel perpendicular Neither • y= 3x-2 • y =3x +18/3 • y=-1/3x+ 3/18 • Y = 1/3x -8 • Write an equation in slope-intercept form • (0, -4) m=2

  10. Module 5 (cont’d) • Write an equation of line parallel to y=5/3x -6 and passes through (-2, 7) • Solve system of equations (using substitution method and addition method) • 16 + y = 4x 2x – 3y =10 • 3x +2y = -20 3x +4y =8

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