Name All Reviews Together Quarter 2 Exam Review Sections 1 and 2 can be done on sheet. Sections 3,4, and 5 MUST be done in NB Section 1: Sets of Numbers 1) Which number is a rational number but not an integer? a) – 6 b) 0 c) ⅝ d) none 2) Which number is an integer but not a natural number? a) π b) -¾ c) 0 d) none 3) Which number is an integer, but not rational? a) π b) 4 c) -.25 d) none 4) Which number is whole, but not natural? a) 0 b) 4 c) .75 d) none 5) Which number is natural, but not whole? a) ¼ b) 4 c) 0 d) none 6) Give an example of a number that is rational, but not an integer. 7) Give an example of a number that is an integer, but not a whole number. 8) Give an example of a number that is a whole number, but not a natural number. 9) Give an example of a number that is a whole number, but not an integer. 10) Give an example of a number that is rational, but not a whole number. Section 2: Properties A. Complete the Matching Column (put the corresponding letter next to the number 1) 6-9=6-9 a) Reflexive 2) 4(5 + 2) = 4(5) + 4(2) b) Additive Identity 3) 17 · 8 = 8 · 17 c) Multiplicative identity 4) 6 · (2 · 12) = (6 · 2) · 12 d) Associative Property of Mult. 5) 32 + 0 = 32 e) Transitive 6) 11 + (3 + 18) = (11 +3) + 18 f) Associative Property of Add. 7) If 40 + 4 = 44 and 44 = 4 · 11, then 40 + 4 = 4 · 11 g) Symmetric 8) 22 · 0 = 0 h) Commutative Property of Mult. 9) If 30 = 5 · 6, then 5 · 6 = 30 i) Multiplicative property of zero 10) 26 · 1 = 26 j) Distributive Name All Reviews Together Quarter 2 Exam Review Section 3: Order of Operations: 1) 256 – 13 ÷ ⅓ + 11= 5) Substitute and Evaluate: 3y3 - 2y2 ÷ 10 + 379 = y = -5 2) 24 ÷ (6 – 3 · 4) · 13 = 2 6) Substitute and Evaluate: b = 7 and c = -2 bc2 ÷ (42 – 4b) – 11c = 2 3) (-7) - 12 · ¼ + (6)(-2) = 7) Evaluate when a = -8, b = -3, and c = 9 4b3 + ac – ab - 1 c2 – 16b ÷ a + 8a + 2b Section 4: Simplifying: 1) (6x - 5) + (7x + 7) 2) (6x2 – 5x + 7) + (9x2 – 4x + 8) 3) 4(3x – 5) + 6(4x + 3) 4) 5(6x – 9) – 7(4x – 8) 5)8(3x2 – 4x + 9) + 6(4x2 + 5x – 12) 6) 9(4x2 + 3x – 8) – 7(6x2 – 4x + 10) 7) 6(2x – 5) + 3(3x + 2) 8) 4(8x + 5) – 10(5x + 2) 9) 6(4x2 – x + 7) + 8(3x2 – 2x – 6) 10) 10(3x2 – 5x + 3) + 6(5x2 – 4) 11) 12(3x2 – 6x + 9) – 9(4x2 – 8x + 12) Section 5: Solving Equations: 1) ½ x + 39 = 31 7) 42 - ¾ x = 21 2) 8x – 5 = 3x + 50 8) (5x – 2) + (7x + 5) = -81 3) 12x – 14 = -74 9) 100- 9x = -154 4) 7(4x – 5) + 6(2x + 1) = 171 10) 10(6x – 4) – 7(8x – 3) = -17 5) 8(3x – 10) = 10(2x – 6) 11) 7(4x – 10) = 6(8x – 10) 6) 6(4x -7) – 5(3x – 5) = 55 12) 9(2x + 3) – 4 = 5(3x – 2) 13) 5(6x – 10) - 1 9 14) 11(8x – 2) 7 + 19 = -47 16) 5(7x – 1) 12 + 21 = 41 15) 9(4x - 6) +20 -11 = -29 = -46 Name All Reviews Together Quarter 2 Exam Review Q1 Test 2 Review Solving and Graphing Simple Inequalities: (must be graphed on the # line) 1) 8x – 17 > -5 x > 1.5 2) 50 – ¾ x < 68 x > -24 3) 12x - 2 > 17x + 18 x<4 4) 8(5x – 4) – 6(7x + 4) < -64 x>4 5) 38 < 26 - ⅜ x x < -32 6) 6(4x -1) > 7(4x - 2) x<2 7) 9(4x + 4) > 4(4x - 1) x > -2 8) -4 > 5(4x + 6) + 6(4x – 2) x<-½ Compound Inequalities: (must be graphed on the # line) 1) 9x – 5 > -32 ∩ ¾ x + 5 < 8 x > -3 ∩ x < 4 3) -12 < 7x + 2 < 23 x> -2 ∩ x < 3 5) 13x - 5 < 21 14 – 2x > 18 x < 2 x > -2 7) -12 < ¼ x - 11 < -11 x > -4 ∩ x < 0 2) 10x + 7 < -18 15 - ⅔x < 11 x < -2.5 x > 6 4) 12 – 3x < -3 6x – 11 > -17 x > 5 x < -2 6) 8x – 13 > 19 ∩ 16 - ⅓x > 17 x > 4 ∩ x < -3 8) 25 – 6x > 40 -3x + 6 < -9 x < -2.5 x > 5 Graphing: Find the equation in slope intercept form and graph: (3 on each set of axis, to save paper) 1) (-3, 6)(4, -8) y = -2x 2) (3, 5)(-6, -1) y = ⅔x + 3 3) (4, -6)(-4, -6) y = -6 4) m = - ¾ (-8, 7) y = - ¾x + 1 5) m = 2 (5, 6) y = 2x – 4 6) m = undefined (3,8) x=3 7) y - 5 = ¼(x - 4) y=¼x+4 8) 48x - 12y = 72 y = 4x – 6 9) y + 2 = -⅗(x - 10) y = -⅗x + 4 10) 54x + 18y = 36 y = -3x + 2 11) 55x - 22y = 66 y = (5/2)x – 3 12) y - 4 = - ⅓(x + 3) y = -⅓x + 3 ATTENTION TO DETAIL ON LABELING!!!!! Name All Reviews Together Quarter 2 Exam Review Q2 Test 1 Review Part I: Find the equation in slope intercept form and graph: (3 on each set of axis, to save paper) 1) (-3, 6)(4, -8) y = -2x 4) m = - ¾ (-8, 7) y= - ¾x + 1 7) y - 5 = ¼(x - 4) y = ¼ x +4 10) 54x + 18y = 36 y= -3x + 2 2) (3, 5)(-6, -1) y = ⅔x + 3 3) (4, -6)(-4, -6) y = -6 5) m = 2 (5, 6) y = 2x -4 6) m = undefined (3,8) x = 3 8) 48x - 12y = 72 y = 4x-6 9) m = 0 (-3,8) y = 8 11) 55x - 22y = 66 y= (5/2)x-3 12) y+6 = (-⅓)(x + 3) y= -⅓x-7 Part II: Parallel Lines a) Use the two points to find the equation of the line. b) For the line found in part a, find a line that is parallel and passes through the given point. c) Graph both lines on the same set of axis. (Use 3 separate graphs for 1,2, and 3) Given Line: Parallel: 1) (-3, 13) (3, -11) y= -4x +1 (-1,-2) y = -4x - 6 Given Line: Parallel: 2) (8,-3) (-4,-6) y=¼x-5 (4,5) y=¼x+4 Given Line: Parallel: 3) (5,7) (5,4) x=5 (-6,-7) x = -6 For #’s 4-7, just find the equation. You do not have to graph. 4) Find the equation of the line parallel to y = ⅔x – 5, passing through (-9, 4). 5) Find the equation of the line parallel to y = -5x + 1, passing through (-4, 9) 6) Find the equation of the line parallel to x = -7, passing through (8, -9) 7) Find the equation of the line parallel to y = 3, passing through (-6, -9) Part III: Solve each system graphically 1) y = 2x - 5 (4,3) y = - ½x + 5 2) 15x + 15y = 75 y + 6 = (3/2)(x + 4) 3) y - 3 = ¾ (x - 8) 34x – 17y = -34 (-4,-6) 4) 24x - 18y = -18 y = -7 5) y + 4 = (- ⅓)(x + 9) 27x + 9y = 81 (6,-9) 6) x = -3 y + 15 = (-5/3)(x - 9) (-3, 5) 6) y > 6 HOY (2,3) (-6,-7) Part IV: Solve and graph each inequality: 1) 24x – 6y > 12 y < 4x - 2 2) y + 2 > - ⅓(x – 12) y > - ⅓x - 2 3) 15x + 10y > -40 y > (-3/2)x - 4 4) y - 9 < ⅗(x – 5) y < ⅗x + 6 5) x < -5 VUX Name All Reviews Together Quarter 2 Exam Review Q2 Test 2 Review Graph each inequality (graphs on the back): 1) 18x – 54y > 108 x>3 2) y - 3 > -3(x + 1) y<-4 3) y – 7 < -3(x + 2) 24x – 48y < 144 4) y – 5 > ¾ (x – 8) 16x + 12y < 36 Solve Each System Using Substitution: 1) x = 4- 3y 7x + 10y = 50 2) 8x + 11 = y 6x – 5y = 30 4) 14 – x = 2y 8x – 9y = -138 3) 3x + y = 11 5x + 8y = -7 Solve Each System Using Elimination: 1) 5x – 6y = --86 7x + 10y = 82 2) 9x + 5y = 53 -3x + 11y = -71 3) 10x – 3y = 29 4x + 11y = -86 4) 7x – 8y = 123 8x + 10y = -3 5) 14x + 5y = 10 7x + 11y = -97 6) 4x – 9y = -34 6x + 7y = -51 7) 12x + 11y = -45 11x + 14y = -53 8) 10x – 13y = 123 12x + 7y = 12 9) 3x + 11y = -40 7x + 6y = -54 10) 6x + 11y = 10 5x + 9y = 9 11) 2x = 5y – 34 3x – 7y = -49 12) 8y = -30 + 11x 6x – 13y = 65 Answer Key: Substitution: 1) (10,-2) 2) (-2.5,-9) 3) (5,-4) Elimination: 1) (-4,11) 2) (-2,-7) 3) ( ½ , -8) 4) (9,-7.5) 5) (5, -12) 6) (-8.5,0) 7) (-1,-3) 8) (4.5, -6) 9) (-6,-2) 10) (9,-4) 11) (-7,4) 12) (0, -5) 4) (-6,10)