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study help
mathematics
college algebra
Intermediate Algebra 13th Edition Margaret Lial, John Hornsby, Terry McGinnis - Solutions
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. (2 + √6)(2-√6)
Simplify. y-x-¹
Evaluate each exponential. -165/2
Write each exponential as a radical. Assume that all variables represent positive real numbers. Use the definition that takes the root first.10x1/2
Solve each equation. V5-x= x + 1
Perform the indicated operations, and express each answer in simplest form. Assume that all variables represent positive real numbers. 3 x²y x-3y4
The following formula from physics relates the velocity V of sound to the temperature T.(a) Approximate V to the nearest tenth if V0 = 50, k = 0.01, and T = 30.(b) Solve the formula for T. V = Vo V1 - KT
Multiply or divide as indicated. V-9. V-81
Multiply. Assume that all variables represent positive real numbers. UIA SA
Find each root. - 256
Add or subtract to simplify each radical expression. Assume that all variables represent positive real numbers. 1581 + 4/24
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. (√6-√2)²
Solve each equation. V36x= x + 6
Multiply or divide as indicated. V-4. V-25
Simplify. 1 a a b 1 b b a
Evaluate each exponential. (-16) 3/4
Writein lowest terms. 6 + √24 2
Find each root. 91A
Add or subtract to simplify each radical expression. Assume that all variables represent positive real numbers. 216+ √54
Evaluate each exponential. 2162/3
Simplify. -6 x - 2 8 3x - 6
Multiply. Assume that all variables represent positive real numbers. . EA LA
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. 2 (√21 - √5)²
Evaluate each exponential. 81 10,000, -3/4
Solve each equation. V9x = x + 3
Multiply or divide as indicated. √-3. V-19
Multiply. Assume that all variables represent positive real numbers. 3y². V6yz
Find each root. 625
Simplify. Assume that all variables represent positive real numbers. -4 √7+ √5
Evaluate each exponential. 813/4
Perform the indicated operations, and express each answer in simplest form. Assume that all variables represent positive real numbers. √3+√7 √6-√5
Add or subtract to simplify each radical expression. Assume that all variables represent positive real numbers. √405-25
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. (VII - 1)²
Evaluate each exponential. 643/2
Perform each operation, and express the answer in lowest terms. 1 x + y + 3 x - y
Solve each equation. x = √x² - 4x - 8
Evaluate each exponential. (一) 8 -5/3
Simplify. Assume that all variables represent positive real numbers. 2 √√5
Multiply or divide as indicated. V-7. V-15
Find each root. 1296
Perform the indicated operations, and express each answer in simplest form. Assume that all variables represent positive real numbers. 13 81
Multiply. Assume that all variables represent positive real numbers. √2x. 3y²
Add or subtract to simplify each radical expression. Assume that all variables represent positive real numbers. 32+32
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. (√5 + 2)²
Perform each operation, and express the answer in lowest terms. y² + y - 12 y³ +9y² + 20y y²-9 y³ + 3y²
Evaluate each exponential. (25) 36 3/2
Solve each equation. x = √x² + 3x +9
Multiply or divide as indicated. V-19 V-19
Find each root. 1000
Add or subtract to simplify each radical expression. Assume that all variables represent positive real numbers. 9√27p² - 14V/108p² + 2√48p²
Simplify. Assume that all variables represent positive real numbers. -5 V40
Perform the indicated operations, and express each answer in simplest form. Assume that all variables represent positive real numbers. (5-3√3)²
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. (√7 - V11)(2√7 + 3√11)
Multiply. Assume that all variables represent positive real numbers. бA : 94
Evaluate each exponential. 1003/2
Solve each equation. 8I+x£ = \ = *
Evaluate each exponential. (-36) 1/2
Simplify. Assume that all variables represent positive real numbers. (√3-2√5)²
Perform the indicated operations, and express each answer in simplest form. Assume that all variables represent positive real numbers. V12x - V75x
Multiply or divide as indicated. V-15 V-15
Find each root. -V512
Add or subtract to simplify each radical expression. Assume that all variables represent positive real numbers. 3√72m² - 5√32m² - 3√18m²
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. (2√3+ √5)(3√3-2√5)
Multiply. Assume that all variables represent positive real numbers. EA. IIA
Evaluate each exponential.-82/3
Evaluate each exponential. (-144) ¹1/2
Find each root. - 125
Factor each polynomial completely. x³ + 512
Solve each equation. x = √x² + 4x - 20
Perform the indicated operations, and express each answer in simplest form. Assume that all variables represent positive real numbers. +9₁ 5 V6-V5
A student incorrectly simplified -√-16 as follows.Simplify the expression correctly. -V-16-(-4)= 4
Simplify. Assume that all variables represent positive real numbers. (7√5 + 4) (2√5 - 1)
Multiply. Assume that all variables represent positive real numbers. Vox V4y
Add or subtract to simplify each radical expression. Assume that all variables represent positive real numbers. 18k - V72k
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. (V13-√7)(√3+ VII)
Evaluate each exponential. (-32) 1/5
Evaluate each exponential.165/4
Solve each equation. V11 + 2x + 1 = √5x + 1
Find each root. -64
Factor each polynomial completely. 3k4+k² - 4
Simplify. Assume that all variables represent positive real numbers. 16t³s5-54t6s²
Solve each equation. 5√4x+1=3√10x + 25
Multiply. Assume that all variables represent positive real numbers. AZAXLA
Add or subtract to simplify each radical expression. Assume that all variables represent positive real numbers. V72x - V8x
A student incorrectly multiplied as follows.Find the product correctly. √-9. V-25= √225 = 15
Multiply, and then simplify each product. Assume that all variables represent positive real numbers. (VII-√7)(√₂+ √5)
Perform the indicated operations, and express each answer in simplest form. Assume that all variables represent positive real numbers. -10 10
Evaluate each exponential.-1211/2
Evaluate each exponential. (-27)1/3
Simplify. Assume that all variables represent positive real numbers. √√2. V/5
Solve each system. x + y + z = 1 x-y-z = -3 У 2 x + y2 = −1 z ||
Solve each system. 3x - y = 23 2х + 3y = 8
Use a calculator to approximate each radical to three decimal places. 500
Simplify. Assume that all variables represent positive real numbers. 5i(3 - 7i)
Write each number as a product of a real number and i. Simplify all radical expressions. -V-144
Simplify. Assume that all variables represent positive real numbers. 8√x³y²– 2xV/y²
Use a calculator to approximate each radical to three decimal places. - 129
Use a calculator to approximate each radical to three decimal places. 605
Find the exact length of side b in the figure. 17 12 b
Graph the circle (x - 2)2 + (y + 3)2 = 16. Identify the center and the radius.
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