MPM 1D Final Exam Review Name: _________________________ Final Exam Review Answers Unit 1 – Number Sets and Numeracy 1. Complete the chart: N 0.34 Μ Μ Μ Μ 0. 34 √6 √36 π 2 a) 3 − 20 W I Μ π Q x x x x x x x x b) 43 3a) 1 −2 b) 3 4. Complete the chart. Decimal 0.063 1.4 0.42 Unit 2 – Relationships 1a) Fraction Percent 6.3% 7 5 21/50 140% 63/1000 42% R x x x x x MPM 1D Final Exam Review b) Name: _________________________ c) 2a) Since the first differences are constant (at 3), therefore the relation is linear b) Since the first differences are not constant, therefore the relation is non-linear 3a) b) Strong, positive correlation c) (2.25, 10) d) The more time (days) that pass, the taller the plants height MPM 1D Final Exam Review 4a) C = 15n +120 Name: _________________________ b) Partial d) e) $1095, interpolation f) 120, extrapolation 5a) Strong positive b) No correlation Unit 3 – Slope, Ratio and Proportion 1. ππ1 = −4 3 ππ2 = undefined 3 ππ3 = 2 2a) The slope represents the rate speed (distance per hour) b) AB = 10, BC = 0, CD = 20, DE = -20 3a) m=2, b = -3, y = 2x-3 b) m= 0, b=3, y = 3 c) m=undefined, b = none, equation x=4 4a) ππ4 = 0 MPM 1D Final Exam Review b) Name: _________________________ c) d) 5a) ππ΄π΅ = −1 b) ππ΄π΅ = undefined MPM 1D Final Exam Review 6a) First differences are 3. Therefore, the relation is linear Name: _________________________ b) The first differences are constant, therefore the relation is linear. a) Two lines that are parallel π¦ = 2π₯ + 4 and π¦ = −2 + 2π₯ b) A vertical line π₯=2 c) Two lines are perpendicular π¦ = 2 π₯ + 1 and π¦ = − 3 π₯ − 5 d) A horizontal line π¦ = −6 3 2 8a) Ratio: a comparison of two quantities b) Proportion: an equation stating that two ratios are equal 9a) x = 10 b) approximately 7.6 c) approximately 15.69 10a) 4000 mL of gas b)1 L or 1000 mL c) 5 cans Unit 4 – Powers 1a) π₯ 5 b) π¦ 3 c) π2 π2 h) π₯ −2 π¦ 2 i)25π₯ −10 j) 16π₯ −1 π¦ 6 17 b) 70 = 1 c) 72 2a) 16 3a) 11.4 cm b) 17.0 cm 4a) 87.96 cm3 b) 25 cm d) π₯5 π¦5 16π€ 4 π§4 f) 81π§ 8 Degree of the Polynomial 2 3 11 14 10 0 1 Coefficient of π -3 11 -4 1 4 0 4 e) g) π₯ 7 1 c) 229.47 cm2 Unit 5 – Polynomials 1. Complete the chart: Polynomial 7π₯ 2 − 3π₯ + 7 4π₯ 3 − 2π₯ 2 + 11π₯ − 13 11 2π₯ − 3π₯ 8 + 6π₯ 7 − 11π₯ 2 − 4π₯ + 8 −4π₯ 4 − 7π₯ 3 + 13π₯ 2 + π₯ 5π₯ 10 − 3π₯ 3 + 4π₯ − 9 12 4π₯ + 3 2. See textbook for answers Number of Terms 3 4 6 4 4 1 2 3a) 5π₯ 2 π¦ 7 − π₯π¦ 4 b) 7π₯ 2 − 6π₯ + 1 c) 3π₯ + 17 4a) −12π₯ 5 π¦ 5 b) π₯ 2 c) −2π₯ 2 π¦ 6 Coefficient of ππ 7 -2 -11 13 0 0 0 Constant Term 7 -13 8 0 -9 12 3 MPM 1D Final Exam Review 5a) 2π + 8 Name: _________________________ b) −3π₯ + 21 c) −6π₯ 3 π¦10 + 14π₯ 14 π¦ 6 − 10π₯ 5 π¦ 9 6a) −5π₯ + 18π¦ b) π₯ 2 + 2π₯π¦ − π¦ 2 c) 9π₯ 2 − 14π₯ 2 π¦ + π¦ 2 7. 5π₯ 2 − 9π₯ + 14 units 8 i) π΄ = 5π₯ 2 + 7π₯ units2, when π₯ = 4, A = 108 units2 ii) π΄ = 6π₯ 2 − ππ₯ 2 + 4π₯ units2, when π₯ = 4, A = 61.73 units2 Unit 6 – Equations 1. Check answers in textbook 2a) x = 7 b) y = -3 h) x = 3 i) x = 3 c) x = - 6 d) x = 15 e) x = 3 f) k = 4 g) a = 10 3. n = 9 4a) 10 b) 27, 28, 29 Unit 7 – The Line 1. Check answers in textbook 2. 3. c) 10 years old d) 20 nickels e) 8 m by 5 m MPM 1D Final Exam Review 4. Name: _________________________ 5. Equation Slope π¦ = −7π₯ − 5 -7 -5 (0, -5) Corresponding point Negative π¦ = −4 0 -4 (0, -4) Horizontal 0 0 = 3π₯ − 5π¦ + 15 π¦ = 6π₯ 3 5 3 (0, 3) Positive 3 5 6 0 (0, 0) Positive 6 π₯=3 Undefined None None Vertical Undefined 6 a) ππ΄π΅ = 2 7a) π¦ = 5 π₯ 2 y-intercept b) ππΆπ· = undefined 9 +2 c) ππΈπΉ = −2 Direction of the line -7 d) ππ½πΎ = 3 b) π¦ = 2π₯ + 5 −1 π₯ 2 8a) π¦ = −5π₯ − 8 b) π¦ = 5π₯ − 31 c) π¦ = 10a) (8, -3) b) (5, -2) c) (3, 6) 7 −2 Slope of a Slope of a line line parallel perpendicular 1 7 undefined d) π¦ = 7π₯ − 23 − 5 3 1 6 zero − MPM 1D Final Exam Review 11b) Name: _________________________ c) 30 people, interpolate d) $2625, extrapolate e) C-intercept is the fixed cost of renting the banquet hall, it is $125 f) The slope represents the cost per person that attends the banquet. In this case, the cost per person is $10. Unit 8 – Geometry 1. 70° 2. 50° 3. 60° 4. 110° 5. 130° 6. 75° 7. 30° 8. 82° 9. 60° 10. 110° 11. 90° 12. 53° 13. 88° 14. 107° 2a) 2418m2 b)$846.30 3a) 600m2 b)100 m c) $858.00 Unit 9 – Measurement 1a) 24 cm 4b) 32m2 b) 5.6 m