Absolute Value Equations and Inequalities (Exercises with Answers) | Campbell University - Edubirdie

University:
Campbell University
Course:
MATH 111 | College Algebra
Academic year:

2022
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342

Pages:

2
Author:

Origbo2ol

Absolute Value Equations and Inequalities Solve. Express solutions to inequalities using interval notation. 1) x  3 2) x  3 3) x  3 4) x  3 5) x  3 6) x  3 7) a  2  7 8) a  2  7 9) a  7  3 10) a  7  3 11) 5x  4  4  3 12) 5x  4  4  3 13) 3( y  2)  7 y  6 14) 3( y  2)  7 y  6 15) 5x  4  3 16) 4  3x  1 17) 3x  5  5  3x 18) w  3  w  3 19) 4  x  x  6 Answers: 1) x = -3,3 5) (-∞,∞) 9) [-10,-4] 20) 5x  6  3x  12 2) no solution 6) no solution 10) (-∞,-10] U [-4, ∞) 11) no solution 13) (-∞,0] U [3, ∞) 14) [0,3] 17) all reals 3) (-∞,-3) U (3, ∞) 7) a = -5,5 18) w = 0 1 7 15) ( , ) 5 5 19) x = 5 4) (-3,3) 8) a = -9,5 3 11 12) x   , 5 5 5 16) (1, ) 3 20) x = -9,¾

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