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mathematics
college algebra graphs and models
College Algebra With Modeling And Visualization 6th Edition Gary Rockswold - Solutions
Factor the expression completely, if possible. 36x² - 100
Use the power rules to simplify the expression. Use positive exponents to write your answer.
Factor the expression completely, if possible. 16x4y4
Use rational exponents to write each expression. (x + 1)
Use the fact that triangles ABC and DEF are similar to find the value of x. B C 7 A D E 9 F
Simplify. Leave numerators and denominators in factored form when appropriate. x-3 x-1 x-1 -3
Use the fact that triangles ABC and DEF are similar to find the value of x. A B Г C с D E 5 8
Factor the expression completely, if possible. 9x² - 4y²
Use the power rules to simplify the expression. Use positive exponents to write your answer. -5 (2)
The number of cell phone subscribers to a company increases by 25% during the first year and then decreases by 20% the second year. Compare the number of subscribers at the beginning of the first year with the number of subscribers at the end of the second year.
Use rational exponents to write each expression. Vy-3
Use the power rules to simplify the expression. Use positive exponents to write your answer. 2xy 3: -1
Use rational exponents to write each expression. Vx x + 1
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. 2 (ab)-1
If a wage of $9.81 decreases by 9% each year, what is the new wage after 3 years?
Factor the expression completely, if possible. 100x³ - x
Find the least common multiple. 12, 18
Use rational exponents to write each expression. Vx - 3
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. Sa² (xy)-1
Find the least common multiple. 5a³, 10a
Find the least common multiple. 9, 15
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. 21
A pollutant in a river has an initial concen- tration of 3 parts per million and degrades at a rate of 3% every 2 years. Approximate its concentration after 20 years.
Find the least common multiple. 6a²,9a³
Use rational exponents to write each expression. Va² + b²³
A radioactive element decays to 40% of its original amount every 2 years. Approximate the percentage that remains after 8 years.
Factor the expression completely, if possible. 1¹-91²
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. -1 21-
A radioactive element decays to 80% of its original amount every 3 years. Approximate the percentage that remains after 8 years.
Use rational exponents to write each expression. VF
Factor the expression completely, if possible. a² + 4b²
Find the least common multiple. 2² - 4z, (z - 4)²
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. 6a²b-3 4ab
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate.43/2
Simplify. Leave numerators and denominators in factored form when appropriate. x +1 y-2 2.x + 2 y-2 음 y
Use the fact that triangles ABC and DEF are similar to find the value of x. 6 B C D 7 E F
Use the fact that triangles ABC and DEF are similar to find the value of x. B 3 A 3 E 5 C D 5 F
If your wages are $8 per hour and you receive a 300% raise for excellent work, determine your new wages.
Factor the expression completely. x² + 3x³ + x + 3
Factor the expression completely. - 16
Factor the expression completely. 9x3 + 6x2 - 3x
Factor the expression completely. 25x² - 4a²
Factor the expression completely. 9y² - 162²
Factor the expression completely. 2x4 - 214
Factor the expression completely. (y + 2)² - 4
Factor the expression completely. a-b4
Factor the expression completely. 2x³8x³16x² + 64
Factor the expression completely. 8x³ + 28x² 16x
Factor completely. (x + 2)²(x + 4) + (x + 2)³(x + 4)³
Factor the expression completely. - 2)²-9
Factor the expression completely. 3x5 27x³ + 3x² - 27 -
Factor completely. (x − 3)(2x + 1)³ + (x − 3)²(2x + 1)² -
Factor completely. (6x + 1)(8x - 3)4 (6x + 1)²(8x − 3)³
Factor completely. (2x + 3)(x + 1) − (2x + 3)(x+1)
Factor completely. (2x + 3)(x + 1)² = (2x + 3)³(x + 1)³ -
Factor completely. xª(7x + 3)³ + x³(7x + 3)²
Simplify. Leave numerators and denominators in factored form when appropriate. X 5 2 x
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. lo 1/2
Simplify. Leave numerators and denominators in factored form when appropriate. 2 x-1 x+! x²-1
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. (-mn¹) (m²n)-3
Multiply the expressions. (3x + 4)(3x-4)
Multiply the expressions. (x + 9)(x - 9)
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. −3a² 963
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. (器)
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. 41/2
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. IZ 1/3
Simplify. Leave numerators and denominators in factored form when appropriate. 2x x² + x 2x x + 1
Multiply the expressions. (9x4)(9x + 4)
Multiply the expressions. (2x-3y)(2x + 3y)
Simplify. Leave numerators and denominators in factored form when appropriate. x +4 x+1 x(x + 4)
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. 8x-3y-² 4x
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. 1-41-x9 9x-2y3
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. 5/95/19
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. 1-41-x9 9x-2y3
Simplify. Leave numerators and denominators in factored form when appropriate. 4x x + 2 + x -5 x-2
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. 4-1/2
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. (اجاج)-ج (1)-1
Simplify. Leave numerators and denominators in factored form when appropriate. 2 14 4x - 1 x
Factor the expression completely. 18x³ - 60x² + 50x
Multiply the expressions. (x + 4)²
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. 9-3/2
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. (-8)-1/3
Simplify. Leave numerators and denominators in factored form when appropriate. 2x x-5 X x+5
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. (2rt)² (rt³)-²
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. 4x²²y³ (2x−¹ y)²
Multiply the expressions. (z + 9)²
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. 49-1/2
Multiply the expressions. (x - 1)²
Simplify. Leave numerators and denominators in factored form when appropriate. sb За 7Ь Sa
Simplify. Leave numerators and denominators in factored form when appropriate. X 2x - 1 1-x 3x
Simplify. Leave numerators and denominators in factored form when appropriate. 2x + 1 x-1 3 1-X x+1'x-1
Simplify. Leave numerators and denominators in factored form when appropriate. x+3 5 x-5 x-3 +
Simplify. Leave numerators and denominators in factored form when appropriate. 4 n-4 3 2-n
Multiply the expressions. (5-6x)²
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. 25 -3/2
Simplify the expression and write it with rational exponents. Assume that all variables are positive. (x²)3/2
Simplify. Leave numerators and denominators in factored form when appropriate. b b-1 2b-4b-2
Multiply the expressions. (2 - 5r7M2 + 5x) 5x
Use rules of exponents to simplify the expression. Use positive exponents to write your answer. (ab)³ aªb
Evaluate the expression. Approximate the answer to the nearest hundredth when appropriate. (1)-1/4 16
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