Introduction To Formal Geometry Summer Packet North Valleys High School Name:_____________________________________________________ Incoming Grade Level:__________ *Packet due the first day of class For questions, e-mail Mrs. Landis at dlandis@washoeschools.net Check out mrslandis.weebly.com for resources Materials required for the course: -compass (find a good one, the plastic ones will frustrate!) -protractor Recommended but not required: -scientific calculator **See examples of each on the website listed above** Topic 1: Solving Linear Equations Solve each equation and explain each step. The first one is done for you. 1. (𝑥 + 6) + 2(2𝑥 − 4) = 180 2. (5𝑥 + 6) − 4(𝑥 − 8) = 72 3. −3(4𝑥 + 3) + 4(6𝑥 + 1) = 43 4. 5(2𝑥 + 3) − 9(6𝑥 + 1) = 5𝑥 + 19 5. (𝑥 + 1) + (𝑥 + 2) + (𝑥 + 3) = 180 6. (3𝑥 + 2)(𝑥 − 4) = 3𝑥 2 + 10𝑥 7. −(1 + 7𝑥) − 6(−7 − 𝑥) = 36 8. −4(𝑥 − 13)(2𝑥 + 1) = −8𝑥(𝑥 − 13) 9. 15 − 21𝑥 = 8𝑥 + 7𝑥(4 − 3𝑥) 10. −18 − 6𝑘 = 6(1 + 3𝑘) 11. 3𝑛 − 5 = −8(6 + 5𝑛) 12. 𝑝 − 4 + 16 = 8𝑝 − 6𝑝 + 15 Topic 2: Order of Operations Simplify each expression and explain each step. A few are done for you to serve as examples. 1. √(5 − 1)2 + (6 − (−1))2 2. √(4 − 6)2 + (−2 − 1)2 3. √(−4 − 1)2 + (9 − (−2))2 4. √(2.5 − 1.7)2 + (−0.9 − (−0.5))2 5. √(𝑥1 − 𝑥2 )2 + (𝑦1 − 𝑦2 )2 if 𝑥1 = 3, 𝑥2 = −4, 𝑦1 = −1, 𝑦2 = 5 6. √(𝑥1 − 𝑥2 )2 + (𝑦1 − 𝑦2 )2 if 𝑥1 = 4, 𝑥2 = −2, 𝑦1 = 1, 𝑦2 = −2 1 3 7. √(𝑥1 − 𝑥2 )2 + (𝑦1 − 𝑦2 )2 if 𝑥1 = 2 , 𝑥2 = 2 , 𝑦1 = 6, 𝑦2 = −6 8. √(𝑥1 − 𝑥2 )2 + (𝑦1 − 𝑦2 )2 if 𝑥1 = 10, 𝑥2 = 25, 𝑦1 = −15, 𝑦2 = −5 2 1 9. √(𝑥1 − 𝑥2 )2 + (𝑦1 − 𝑦2 )2 if 𝑥1 = 3 , 𝑥2 = 1, 𝑦1 = 4 , 𝑦2 = 2 10. √(𝑥1 − 𝑥2 )2 + (𝑦1 − 𝑦2 )2 if 𝑥1 = 3, 𝑥2 = −2, 𝑦1 = −5, 𝑦2 = 7 11. (2𝑥 − 5)2 12. (3𝑥 − 4)2 13. (2𝑥 + 8)2 14. (5𝑥 + 12)2 15. (2𝑥 − 3)2 (𝑥 + 7) 16. (𝑥 − 9)2 (14𝑥 + 1) Topic 3: Graphing Linear Equations Graph each linear equation and identify the slope, y-intercept and x-intercept. The first one is done for you. Topic 4: Solving Systems of Equations Solve each system of equations using substitution or elimination. The first one is done for you. 15) { 𝑥 + 2𝑦 = 3 2𝑥 + 3𝑦 = 3 16 { 2𝑥 − 3(𝑦 + 1) = 8 3(𝑥 + 2) + 5𝑦 = −6 Topic 5: Simplifying Radical Expressions Simplify each expression and explain each step. A few are done for you to serve as examples. 1. √72 2. √200 3. √27 4. 5√18 5. √3² + 4² 6. √4 + 9 7. √5² + 12² 10. 1 √2 13. 4√3 + 7√3 8. √49 ⋅ 3 11. 9. 6√24 1 12. √5 14. √12 + √27 6 √3 Topic 6: Find Area of Polygons and Circles