Homework SourseQuestion from 11 Real Numbers Rewrite the number without usi
Question from 1.1: Real Numbers
Rewrite the number without using the absolute value symbol, and simplify the result.(a)
(2)|6 7|
(b)
7/|4|
(c)
|2| + |5|
3.-Question from 1.2: Exponents and Radicals
Simplify.
4.-Question from 1.2: Exponents and Radicals
Simplify.
(5u4v5)(6u6v7)
5.-Question from 1.3: Algebraic Expressions
Express as a polynomial. (Simplify your answer completely.)
(7x 4)(6x + 5)
6.-Question from 1.3: Algebraic Expressions
Express as a polynomial. (Simplify your answer completely.)
(3x + 5)(2x2 + 9x 5)
7.-Question from 1.4: Fractional Expressions
Simplify the expression.
8.-Question from 1.4: Fractional Expressions
Simplify the expression.
| (6x5)(5x6) |
| (x6)5 |
Solution
Rewrite the number without using the absolute value symbol, and simplify the result.(a)
The absolute value makes the inside value positive.
(2)|6 7| = |-1| = 1
(b)
7/|4| = 7/4
(c)
|2| + |5| = 2+5 =7
