Algebra I STAAR EOC Quizlet Test Review Part #3

-7r2 + 12r - 8

201. -____r2 + _____r - ____ is equivalent to: (10 + 7r - r2) + (-6r2 - 18 + 5r).

It looks like a dotted line that has a y-intercept of, -4, and an x-intercept of, 1.

202. What does the line look like for whenever it represents the solution set of: y > 3x - 4?

The initial balance increases by 2.5% each and every single year.

203. A bank account is earning annual compound interest. No additional deposits/withdrawls were made right after that. The balance in the account after, x, years is modeled by: b(x) = 850(1.025)x. Based on this, we can conclude that the _______ial, _________________, __________________s by ____.____% each and every single year.

n(t) = 0.072t2 - 0.55t + 2.73

204. A company collected data for the total number of texts messages sent and received using an application since Oct 2011, in billions. This table: Number of Months Since Oct 2011: 5! 10! 15! 20! 25! 30! 35! 40! Number of Text Messages: 3! 10! 17! 27! 44! 64! 86! 112! ... shows it. This is modeled by a quadratic function. The function to represent this is: n(t) = ____.___________t2 - ____.______t + ____.__________.

-0.2

205. On a graph, the points are: 1. -3, 3.6! 2. 5, 2! The rate of change, with respect to, x, is -____.____.

True

206. True or False: The graph that represents: y = -x2 + 6x - 1, is reflected over the x-axis. Plus, it also has a horizontal translation going right, 3, and a vertical translation up, 8, as well, too.

83

207. A company advertised, 1, specifically type of website. A worker tracked the number of visits to that website and the total number of clicks on the advertisement from www.youtube.com. This table: Number of Visits to the Website: 153! 629! 471! 914! 307! 1,045! 510! 1,106! Number of Clicks on Advertisement: 14! 38! 30! 53! 21! 60! 32! 63! ... shows it. Based on this, the total number of clicks on the advertisement, if, 1,500, people, visit the website, is going to be an exact estimate of up to a total of __________.

y - 2 = 5/7(x - 7)

208. On a graph, a straight line is pointing upwards. The y-intercept is, -3, and the x-intercept is, 4. The equation to represent this is: y - ____ = ____/____(____ - ____).

x2y-12

209. ________-______ is equivalent to: (xy-6)2, for, all of the values of, x, and, y, to wherever the expression is defined.

13

210. A college student completed some courses worth, 3, and, 4, credits. The total is, 59, after completing, 18, courses. How many worth, 3, did the student complete?

-2

211. The graph of linear function, f, passes through the point: 1, -9, and has a slope of, -3. The zero of this is -____.

29

212. The value of the y-intercept of: 29(5.2)x, is ________.

h(x) = x2 - 6x

213. A line, on a graph, has an axis of symmetry at/of, -9, and an x-intercept of, 3. The function to represent this is: h(x) = ____2 - ____x.

(12x - 5)(2x - 1)

214. (_____x - ____)(____x - _____) is equivalent to: 24x2 - 22x + 5.

1. y = x + 4! 2. y = -2x - 4!

215. Which, 2, equations represent lines, with the points: 1. -4, 4? 2. -1, 3? 3. -1, -2? 4. 1, 5?

f(x) = 18(6/5)x

216. This table, with the points: 1. -2, 12.5! 2. -1, 15! 3. 0, 18! 4. 1, 21.6! 5. 2, 25.92! ... represents an exponential function. The function that represent the exact, same, thing, is: f(x) = ______(____/____)x.

f(n) = -3n + 24

217. This table: Number of Meals Dispensed: 1! 3! 6! 7! Amount of Pet Food Remaining: 21! 15! 6! 3! ... is an automatic feeder, meaning that is represents a function relationship. The function, to model this, is: f(n) = -____n + _________.

Translated, 9, units down

218. The graph of: f(x) = x2 was transformed to the graph of: g(x) = f(x) - 9. So, for that, it ___________________ed, ________, ________s, ____________.

43

219. (x22)(x7)3, is equivalent to xp. The value of, p, is ________.

-7

220. The graph of linear function, k, passed through these, 2, points: 1. -7, 0! 2. 1, 8! It has an x-intercept of -____.

21d(10d - 3)

221. ______d(_____d - ____) is equivalent to: 210d2 - 63d.

6.5

222. The value of, x, in/for these, 2, equations: 1. 3x - 5y = 22! 2. y = -5x + 32! ... is ____.____.

-10

223. The graph that represents: y = 10(0.85)x, has a y-intercept of -______.

-9/2

224. This table, with the points: 1. -20, 96! 2. -12, 60! 3. -6, 33! 4. -2, 15! ... shows a type of linear relationship. The rate of change, with respect to, x, is -____/____.

1.2

225. ____.____ is the solution to: 5x2 - 36x + 36 = 0.

x > or equal to, -2

226. An exponential function, with a dot at, -2 (x-intercept), is graphed. The domain is: x > or equal to -____.

-38

227. The solution to: -(6m + 8) = 4(17 - m), is -_______.

y = 3x2 + 12x + 19

228. y = ______2 + _____x + ______ is equivalent to: y = 3(x + 2)2 + 7.

1. 1, 4! 2. 3, 4! 3. 7, 4! 4. 12, 4!

229. Which, 4, points shows, y, as a function of, x?

y = 1.2x - 6

230. The equation, in slope-intercept form of a line that passes through, 5, 0, and is parrallel to the line represented by: y = 1.2x + 3.8, is: y = ____.____x - ____.

All of them are correct

231. Which one, or all, 3, statements: 1. The x-intercept is located at: -3, 0? 2. The y-intercept is located at: 0, 9? 3. The axis of symmetry is: x = -3? are best supported by a graph of, x?

A straight line pointed down, with an, x, and, y-intercept both of, 48

232. A college student has, 2, different types of jobs. His/her combined working schedules consist of no more than, 48, hrs. in, 1, whole, entire, week. What will the line look like if it represents this? x - number of hours worked at job, 1. y - number of hours worked at job, 2.

q(x) = (3x - 4)2

233. q(x) = (____x - ____)____ is equivalent to: q(x) = 9x2 - 24x + 16.

X-intercepts: 1. -2! 2. 3! Y-intercepts: 1. -4! 2. -2! 3. 0! 4. 2! 5. 4! 6. 6!

234. What are the, x, and, y-intercepts of a graph that represents these, 2, equations: 1. 8x - 4y = -16? 2. 3x + 15y = -6?

Domain: All Real Numbers! Range: g(x) < or equal to, 61!

235. The domain and range of: g(x) = -1/4(x - 17)2 + 61, is...

-1/4

236. The y-intercept of this is...

1. 3x + 4y = 64! 2. x + 8y = 68!

237. A customer paid $64 for, 3, large, and, 4, small, candies. A second customer paid $4 more than the first, this time, for, 1, large, and, 8, small candies. The price of each and every single large and small candle is the same. The, 2, equations to represent this, are...

A straight line pointing down with an, x, and, y-intercept both of, 3

238. Linear parent function, f, is graphed. What does the line look like for whenever the graph represents: h(x) = -f(x) + 3?

28, times the square root of, 3.

239. What expression is equivalent to, 4, times the square root of, 147?

17

240. The total distance, in centimeters, that a toy robot moves varies directly with the time, in secs. It moves up to a total of, 264, cm., in, 11, secs. The time that it took for the toy robot to do that is ______ secs.