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study help
mathematics
college algebra
College Algebra 11th Edition Michael Sullivan, Michael Sullivan III - Solutions
Multiply or divide as indicated. Write answers in lowest terms as needed. 36 4 9
Evaluate each expression. (-2)8
Evaluate each expression. (-3)6
Find each sum or difference. 3 14 3 4
Find each sum or difference. |-8-61
Multiply or divide as indicated. Write answers in lowest terms as needed. 3- 3
Simplify each expression.-6p + 5 - 4p + 6 + 11p
Simplify each expression. 3(k+2) 5k + 6 +3
Determine whether each statement is true or false. If it is false, tell why.The absolute value of any number is the same as the absolute value of its additive inverse.
Simplify each expression.-8x - 12 + 3x - 5x + 9
Determine whether each statement is true or false. If it is false, tell why.The absolute value of any nonzero number is positive.
Evaluate each expression.-36
Match each expression in parts (a) – (d) with its value in choices A–D. Choices may be used once, more than once, or not at all. I (a) -(-4) (b) |-4| (c) -|-4| (d) -|-(-4)| A. 4 C. Both A and B II B. -4 D. Neither A nor B
Multiply or divide as indicated. Write answers in lowest terms as needed. 2/3 2= 3 5
Find each sum or difference. |-7-15|
Simplify each expression. 5(r 3) + 6r- 2r + 4
Multiply or divide as indicated. Write answers in lowest terms as needed. 7 9 3 2
Find each sum or difference. -|-4+9|
For what value(s) of x is |x| = 4 true?
Evaluate each expression.-46
Simplify each expression. 10 (4y + 8)
Multiply or divide as indicated. Write answers in lowest terms as needed. 5 4 + 3100
Multiply or divide as indicated. Write answers in lowest terms as needed. 6 11 5 4
Find each sum or difference. -|-5 + 6|
Simplify each expression. 6 - (9y + 5)
Simplify each expression. 10x(3) (y)
Find each sum or difference. -2-|-4|
Evaluate each expression.-84
Give (a) The additive inverse (b) The absolute value of each number.6
Determine whether each expression is positive or negative when evaluated. Do not actually evaluate. (a) -7² (c) -73 (e) -74 (b) (-7)² (d) (-7)³ (f) (-7)4
Evaluate each expression.-103
Give (a) The additive inverse (b) The absolute value of each number.9
Give (a) The additive inverse (b) The absolute value of each number.-12
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. x² + y² = 4 [x² + 2x + y² = 0
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. Jy = x - 1 ly=x²₁ = x² - 6x + 9
In Problems 11–22, graph each inequality. 시
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. [x = 2y [x = y² - 2y
In Problems 11–22, graph each inequality.x ≥ 4
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. = Vx y = 6-x
In Problems 11–22, graph each inequality. x ≥ 0
If the graph of a system of inequalities cannot be contained in any circle, then the graph is: (a) Bounded (b) Unbounded (c) Decomposed (d) Composed
Solve the inequality: x2 -4 ≤ 5
Graph the equation: y = x2 + 4
Graph the equation: x2 + y2 = 9
Graph the equation: y2 = x2 -1
Problems 34–43 are based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam.The half-life of titanium-44 is 63 years. How long will it take 200 grams to decay to 75 grams? Round to
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. y = 3x - 5 x² + y² = 5
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. x² + y² = 8 + y² + 4y = 0
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. √x² + y² = 4 y²x=4
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. x² + y² = 10 y = x + 2
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. [x2 + y2 = 16 | x2 - 2y = 8
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. 2 [x² = y [xy = 1
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. xy = 4 ху x² + y² = 8 - y2
In Problems 11–22, graph each inequality.y ≤ 2
In Problems 11–22, graph each inequality.2x + y ≥ 6
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. [xy = 1 y = 2x + 1
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. Sy=x² - 4 6x 13
In Problems 11–22, graph each inequality.3x + 2y ≤ 6
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. x² + y² = 4 y = x² - 9
In Problems 23–34, graph each system of linear inequalities. x + y ≤2 (2x + y = 4
In Problems 5–24, graph each equation of the system. Then solve the system to find the points of intersection. +2 + y² = 10 = xy = 3 ху
In Problems 11–22, graph each inequality.x2 + y2 > 1
In Problems 23–34, graph each system of linear inequalities. 4x - 5y = 0 2xy = 2
In Problems 11–22, graph each inequality.x2 + y2 ≤ 9
In Problems 11–22, graph each inequality.y ≤ x2 -1
In Problems 23–34, graph each system of linear inequalities. [3x - y = 6 x + 2y ≤ 2
In Problems 25–54, solve each system. Use any method you wish. 13 y = 3x + 2 [3x²+y² = 4 =
In Problems 23–34, graph each system of linear inequalities. = (2x - y ≤ 4 3x + 2y = -6
In Problems 11–22, graph each inequality.y > x2 + 2
In Problems 23–34, graph each system of linear inequalities. 2x - 3y ≤ 0 3x + 2y = 6
In Problems 23–34, graph each system of linear inequalities. √x + 4y ≤ 8 x + 4y = 4
In Problems 11–22, graph each inequality.xy ≥ 4
In Problems 23–34, graph each system of linear inequalities. [4x - y = 2 x + 2y = 2
In Problems 23–34, graph each system of linear inequalities. 2x + y = -2 (2x + y = 2
In Problems 23–34, graph each system of linear inequalities. Jx - 2y = 6 2x - 4y = 0
In Problems 11–22, graph each inequality.xy ≤ 1
In Problems 25–54, solve each system. Use any method you wish. {202. 2у² - 3xy + 6у + 2x + 4 = 0 2х - 3у + 4 = 0
In Problems 25–54, solve each system. Use any method you wish. [x² - 4y² + 7 = 0 3x² + y² = 31
In Problems 25–54, solve each system. Use any method you wish. [9x²8xy + 4y² = 70 3x + 2y = 10
In Problems 23–34, graph each system of linear inequalities. [2x + 3y ≥ 6 2x + 3y ≤ 0
In Problems 23–34, graph each system of linear inequalities. [x - 4y = 4 x - 4y = 0
In Problems 23–34, graph each system of linear inequalities. 2x + y = 0 2x + y = 2
In Problems 25–54, solve each system. Use any method you wish. 7x²3y² + 5 = 0 3x² + 5y² = 12
In Problems 35–42, graph each system of inequalities. [x² + y² ≤ 9 (x + y = 3
In Problems 25–54, solve each system. Use any method you wish. [3x²2y² (2x² + 5 = 0 y² + 2 = 0
Problems 34–43 are based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam. Find the complex zeros of f(x) = x4 - 12x² - 64.
In Problems 17–50, find the partial fraction decomposition of each rational expression. 1 (2x + 3) (4x - 1)
In Problems 35–42, graph each system of inequalities. [x² + y² = 9 [x+y = 3
In Problems 35–42, graph each system of inequalities. [y=x²-4 ly ≤x - 2
In Problems 17–50, find the partial fraction decomposition of each rational expression. X x² + 2x - 3
In Problems 25–54, solve each system. Use any method you wish. x² - 3y² + 1 = 0 2x² 7y² + 5 = 0
In Problems 35–42, graph each system of inequalities. [y² ≤ x ly y ≥ x z
In Problems 17–50, find the partial fraction decomposition of each rational expression. x²-x-8 (x+1) (x + 5x +6)
Problems 34–43 are based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam.Solve: 2m2/5 - m1/5 = 1
In Problems 25–54, solve each system. Use any method you wish. 5xy + 13y² + 36 = 0 xy + 7y² = 6
In Problems 25–54, solve each system. Use any method you wish. [x² + 2xy = 10 |3x² - xy = 2
In Problems 35–42, graph each system of inequalities. [x㎡ + y = 16 ly = x2 - 4
In Problems 17–50, find the partial fraction decomposition of each rational expression. x² + 2x + 3 2 (x²+4)²
In Problems 35–42, graph each system of inequalities. [xy ≥ 4 ly = x² + 1
In Problems 25–54, solve each system. Use any method you wish. 2x² + y² = 2 2y² + 8 = 0
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