Beginning Algebra, 11th Edition

17.equation; 18.equation; 19.expression; 20.equation; Section 7.7 (pages 471–475) (a)the amount (b) (c) 3. 5. 7. 12 11.18.809 m ...

[4.1–4.3]9. 10. [5.1, 5.2]11. 12. [5.4]13. [5.6]14. [5.5]15. [5.7]16. [6.3]17. 18.prime [6.4]19. [6.5]20. [6.6]22. or 23.6 m [7 ...

(a) (b) 45. 1 85.4 in. 87. 88.They are not like terms. 89. 90.T ...

Chapter 8 Test (pages 549–550) [8.1]1. , 14 2. (a)irrational (b)11.916 3. (a)B (b)F (c)D (d)A (e)C (f )A [8.2]4. 5. 6. [8.3]7. 8 ...

; Only 16 ft is a reasonable answer. 59. Summary Exercises on Quadratic Equations (pages 573–574) ...

[3.2]14. 15. [3.3]16. [3.4]17. [4.1– 4.3]18. 0 [4.4]20.AT&T: $14.99; jWIN: $19.99 -^132 x-y=- 3 51 - 3, 2 26 x y 0 3 y = 3 ...

Glossary G-1 absolute value The absolute value of a number is the distance between 0 and the number on a number line. (Section 1 ...

dependent equations Equations of a sys- tem that have the same graph (because they are different forms of the same equation) are ...

index (order) In a radical of the form nis called the index or order. (Section 8.1) inequality An inequality is a statement that ...

perpendicular lines Perpendicular lines are two lines that intersect to form a right (90°) angle. (Section 3.3) plot To plot an ...

slope-intercept form A linear equation is written in slope-intercept form if it is in the form , where mis the slope and is the ...

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Photo credits:p. 1Christine Glade/iStockphoto; p. 9Stockbyte Platinum; p. 13Photodisc;p. 14Chris Bernard/iStockphoto; p. 21Rhobe ...

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Absolute value, 32–33 definition of, 32 evaluating, 33 Addition associative property of, 61 commutative property of, 60 of compl ...

Direct variation, 475–476 as a power, 476 Discriminant of quadratic formula, 570 Distance, rate, and time relationship, 143–144, ...

Geometry formulas, 120, 300–301, 302, 339–340 Graph(ing) circle, 9 of an equation, 188 of horizontal lines, 192 of inequalities, ...

Mathematical model, 27 Mean, 58 Means of a proportion, 131 Measure of an angle, 114, 122–123 Minuend, 39 Mixed number, 2 Mixture ...

numerical coefficients of, 320 operations on, 322–324, 329–332, 340–346 prime, 370 terms of, 321 trinomial, 321 inx, 321 Positiv ...

Set(s) (continued) empty, 103, 597 equal, 598 finite, 597 infinite, 597 intersection of, 599 null, 103, 597 of real numbers, 30 ...