Ch. 1 - Equations and Inequalities
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- Match the inequality in each exercise in Column I with its equiva-lent interval notation in Column II. x<-6
Problem 1
- Solve each equation. 2x+8 = 3x+2
Problem 1
- Match the equation in Column I with its solution(s) in Column II. x^2 = 25
Problem 1
- Match each equation or inequality in Column I with the graph of its solution set in Column II. | x | = 7
Problem 1
- Match the inequality in each exercise in Column I with its equiva-lent interval notation in Column II. x≤6
Problem 2
- Match the equation in Column I with its solution(s) in Column II. x^2 = -25
Problem 2
- Match each equation or inequality in Column I with the graph of its solution set in Column II. | x | = -7
Problem 2
- Solve each equation. 5x-2(x+4)=3(2x+1)
Problem 3
- Match the inequality in each exercise in Column I with its equiva-lent interval notation in Column II. -2
Problem 3
- Match the equation in Column I with its solution(s) in Column II. x^2 + 5 = 0
Problem 3
- Match each equation or inequality in Column I with the graph of its solution set in Column II. | x | > -7
Problem 3
- Match the inequality in each exercise in Column I with its equiva-lent interval notation in Column II. x^2≥0
Problem 4
- Match the equation in Column I with its solution(s) in Column II. x^2 - 5 = 0
Problem 4
- Match each equation or inequality in Column I with the graph of its solution set in Column II. | x | > 7
Problem 4
- Solve each equation. A= 24f / B(p+1), for f (approximate annual interest rate)
Problem 5
- Match the inequality in each exercise in Column I with its equiva-lent interval notation in Column II . x≥-6
Problem 5
- Fill in the blank to correctly complete each sentence. The x-intercept of the graph of 2x + 5y = 10 is ________.
Problem 5
- Match each equation or inequality in Column I with the graph of its solution set in Column II. | x | < 7
Problem 5
- Decide whether each statement is true or false. The solution set of 2x+5=x -3 is {-8}.
Problem 6
- Decide whether each statement is true or false. If false, correct the right side of the equation. √-25 = 5i
Problem 6
- Match the inequality in each exercise in Column I with its equiva-lent interval notation in Column II. 6≤x
Problem 6
- Match each equation or inequality in Column I with the graph of its solution set in Column II. | x | ≥ 7
Problem 6
- Solve each problem. If x represents the number of pennies in a jar in an applied problem, which of the following equations cannot be a correct equation for finding x? (Hint:Solve the equations and consider the solutions.) A. 5x+3 =11 B.12x+6 =-4 C.100x =50(x+3) D. 6(x+4) =x+24
Problem 7
- Match each equation or inequality in Column I with the graph of its solution set in Column II. | x | ≤ 7
Problem 7
- Decide whether each statement is true or false. If false, correct the right side of the equation. i^12 = 1
Problem 8
- Decide whether each statement is true or false. The equation 5x=4x is an example of a contradiction.
Problem 8
- Match each equation or inequality in Column I with the graph of its solution set in Column II. | x | ≠ 7
Problem 8
- Decide whether each statement is true or false. If false, correct the right side of the equation. (-2+7i) - (10-6i)= -12+i
Problem 9
- Use Choices A–D to answer each question. A. 3x^2 - 17x - 6 = 0 B. (2x + 5)^2 = 7 C. x^2 + x = 12 D. (3x - 1)(x - 7) = 0 Which equation is set up for direct use of the zero-factor property? Solve it
Problem 9
- Use Choices A–D to answer each question. A. 3x^2 - 17x - 6 = 0 B. (2x + 5)^2 = 7 C. x^2 + x = 12 D. (3x - 1)(x - 7) = 0 Which equation is set up for direct use of the square root property? Solve it
Problem 10
