Problem 9.83TI: Graph: f(x)=x2. Problem 9.84TI: Graph: f(x)=x2+1. Problem 9.85TI: Determine the whether the graph of each function is a parabola that opens upward or downward: a.... Problem 9.86TI: Determine whether the graph of each of function is a parabola that opens upward or downward: a.... Problem 9.87TI: For the graph of f(x)=2x28x+1 find: a. the axis of symmetry b. the vertex. Problem 9.88TI: For the graph f(x)=2x24x3 find: a. the axis of symmetry b. the vertex. Problem 9.89TI: Find the intercepts of the parabola whose function is f(x)=x2+2x8. Problem 9.90TI: Find the intercepts of the parabola whose function is f(x)=x24x12. Problem 9.91TI: Find the intercepts of the parabola whose function is f(x)=3x2+4x+4. Problem 9.92TI: Find the intercepts of the parabola whose function is f(x)=x24x5. Problem 9.93TI: Graph f(x)=x2+2x8 by using its properties. Problem 9.94TI: Graph f(x)=x28x+12 by using its properties. Problem 9.95TI: GRAPH f(x)=3x2+12x12 by using its properties. Problem 9.96TI: Graph f(x)=4x2+24x+36 by using its properties. Problem 9.97TI: Graph f(x)=x22x+3 by using its properties. Problem 9.98TI: Graph f(x)=3x26x4 by using its properties. Problem 9.99TI: Graph f(x)=5x2+10x+3 by using its properties. Problem 9.100TI: Graph f(x)=3x26x+5 by using its properties. Problem 9.101TI: Find the maximum or minimum value of the quadratic function f(x)=x28x+12. Problem 9.102TI: Find the maximum or minimum value of the quadratic functionf(x)=4x2+16x11. Problem 9.103TI: Solve, rounding answers to the nearest tenth. The quadratic function h(x)=16t2+128t+32 is used to... Problem 9.104TI: A path of a toy rocket thrown upward from the ground at a rate of 208 ft/sec is modeled by the... Problem 229E: In the following exercises, graph the functions by plotting points. 229. f(x)=x2+3 Problem 230E: In the following exercises, graph the functions by plotting points. 230. f(x)=x23 Problem 231E: In the following exercises, graph the functions by plotting points. 231. y=x2+1 Problem 232E: In the following exercises, graph the functions by plotting points. 232. f(x)=x21 Problem 233E: For each of the following exercises, determine if the parabola opens up or down. 233. a. f(x)=2x26x7... Problem 234E: For each of the following exercises, determine if the parabola opens up or down. 234. a. f(x)=4x2+x4... Problem 235E: For each of the following exercises, determine if the parabola opens up or down. 235. a.... Problem 236E: For each of the following exercises, determine if the parabola opens up or down. 236. a. f(x)=x2+3x4... Problem 237E: In the following functions, find (a) the equation of the axis of symmetry and (b) the vertex of its... Problem 238E: In the following functions, find (a) the equation of the axis of symmetry and (b) the vertex of its... Problem 239E: In the following functions, find (a) the equation of the axis of symmetry and (b) the vertex of its... Problem 240E: In the following functions, find (a) the equation of the axis of symmetry and (b) the vertex of its... Problem 241E: In the following exercises, find the intercepts of the parabola whose function is given. 241.... Problem 242E: In the following exercises, find the intercepts of the parabola whose function is given. 242.... Problem 243E: In the following exercises, find the intercepts of the parabola whose function is given. 243.... Problem 244E: In the following exercises, find the intercepts of the parabola whose function is given. 244.... Problem 245E: In the following exercises, find the intercepts of the parabola whose function is given. 245.... Problem 246E: In the following exercises, find the intercepts of the parabola whose function is given. 246.... Problem 247E: In the following exercises, find the intercepts of the parabola whose function is given. 247.... Problem 248E: In the following exercises, find the intercepts of the parabola whose function is given. 248.... Problem 249E: In the following exercises, find the intercepts of the parabola whose function is given. 249.... Problem 250E: In the following exercises, find the intercepts of the parabola whose function is given. 250.... Problem 251E: In the following exercises, find the intercepts of the parabola whose function is given. 251.... Problem 252E: In the following exercises, find the intercepts of the parabola whose function is given. 252.... Problem 253E: In the following exercises, graph the function by using its properties. 253. f(x)=x2+6x+5 Problem 254E: In the following exercises, graph the function by using its properties. 254. f(x)=x2+4x12 Problem 255E: In the following exercises, graph the function by using its properties. 255. f(x)=x2+4x+3 Problem 256E: In the following exercises, graph the function by using its properties. 256. f(x)=x26x+8 Problem 257E: In the following exercises, graph the function by using its properties. 257. f(x)=9x2+12x+4 Problem 258E: In the following exercises, graph the function by using its properties. 258. f(x)=x2+8x16 Problem 259E: In the following exercises, graph the function by using its properties. 259. f(x)=x2+2x7 Problem 260E: In the following exercises, graph the function by using its properties. 260. f(x)=5x2+2 Problem 261E: In the following exercises, graph the function by using its properties. 261. f(x)=2x24x+1 Problem 262E: In the following exercises, graph the function by using its properties. 262. f(x)=3x26x1 Problem 263E: In the following exercises, graph the function by using its properties. 263. f(x)=2x24x+2 Problem 264E: In the following exercises, graph the function by using its properties. 264. f(x)=4x26x2 Problem 265E: In the following exercises, graph the function by using its properties. 265. f(x)=x24x+2 Problem 266E: In the following exercises, graph the function by using its properties. 266. f(x)=x2+6x+8 Problem 267E: In the following exercises, graph the function by using its properties. 267. f(x)=5x210x+8 Problem 268E: In the following exercises, graph the function by using its properties. 268. f(x)=16x2+24x9 Problem 269E: In the following exercises, graph the function by using its properties. 269. f(x)=3x2+18x+20 Problem 270E: In the following exercises, graph the function by using its properties. 270. f(x)=2x2+8x10 Problem 271E: In the following exercises, find the maximum or minimum value of each function. 271. f(x)=2x2+x1 Problem 272E: In the following exercises, find the maximum or minimum value of each function. 272. y=4x2+12x5 Problem 273E: In the following exercises, find the maximum or minimum value of each function. 273. y=x26x+15 Problem 274E: In the following exercises, find the maximum or minimum value of each function. 274. y=x2+4x5 Problem 275E: In the following exercises, find the maximum or minimum value of each function. 275. y=9x2+16 Problem 276E: In the following exercises, find the maximum or minimum value of each function. 276. y=4x249 Problem 277E: In the following exercises, solve. Round answers to the nearest tenth. 277. An arrow is shot... Problem 278E: In the following exercises, solve. Round answers to the nearest tenth. 278. A stone is thrown... Problem 279E: In the following exercises, solve. Round answers to the nearest tenth. 279. A ball is thrown... Problem 280E: In the following exercises, solve. Round answers to the nearest tenth. 280. A ball is thrown... Problem 281E: In the following exercises, solve. Round answers to the nearest tenth. 281. A computer store owner... Problem 282E: In the following exercises, solve. Round answers to the nearest tenth. 282. A retailer who sells... Problem 283E: In the following exercises, solve. Round answers to the nearest tenth. 283. A retailer who sells... Problem 284E: In the following exercises, solve. Round answers to the nearest tenth. 284. A cell phone company... Problem 285E: In the following exercises, solve. Round answers to the nearest tenth. 285. A rancher is going to... Problem 286E: In the following exercises, solve. Round answers to the nearest tenth. 286. A veterinarian is... Problem 287E: In the following exercises, solve. Round answers to the nearest tenth. 287. A land owner is planning... Problem 288E: In the following exercises, solve. Round answers to the nearest tenth. 288. A family of three young... Problem 289E: How do the graphs of the functions f(x)=x2 and f(x)=x21 differ? We graphed them at the start of this... Problem 290E: Explain the process of finding the vertex of a parabola. Problem 291E: Explain how to find the intercepts of a parabola. Problem 292E: How can you use the discriminant when you are graphing a quadratic function? format_list_bulleted