476, 479, 495, 501,510,516, 521,
527, 532, 539, 550, 556, 575, 586,
587, 592, 600, 606, 607, 617, 623,
630, 632, 637, 641, 650, 657, 667,
668 , 673, 681, 682, 687, 688 , 690,
695, 703, 711, 735, 736, 750, 752,
756, 758, 759, 761, 767, 781, 791
Extended Response exercises, 230,
267, 290, 300, 360, 369, 405, 414,
431, 482, 503, 542, 566, 610, 638,
660, 712, 722, 782
Short Response exercises, 160, 170,
177, 183, 199, 206, 220, 230, 239,
245, 251, 267, 279, 290, 314, 320,
328, 335, 343, 360, 392, 399, 414,
438, 445, 452, 459, 471, 482, 491,
509, 517, 528, 533, 542, 548, 552,
588, 594, 601, 610, 625, 631, 651,
660, 669, 676, 683, 697, 722, 731,
737, 745, 759, 774
Think-Write problems, 41, 82, 140,
166, 172, 179, 209, 296, 317, 419,
434, 435, 437, 440, 441, 449, 454,
455, 461, 462, 463, 493, 506, 520,
525, 562, 586, 640, 665, 672, 706
Writing Quadratic Equations, 573-574X
x,t,0,n key, of graphing calculator, 59
x-axis, 60
x-coordinates, 60
x-intercept, 322-323, 330Y
Y= key, of graphing calculator, 59,
260, 370C
PowerAlgebra.com In d e xy-axis, 60
y-coordinates, 60
y-intercept, 308, 309, 310, 322-323,
330, 366z
zero
division involving, 40
as exponent, 418, 475
slope of horizontal line as, 296
as substitute forx- or y-intercept, 322
Zero and Negative Exponents, 418
zero of a function, 561, 573-574
Zero-Product Property, 568, 604
Zero Property of Multiplication, 24
zoom key, of graphing calculator, 261,
307, 595