Problem 33a
Find each product or quotient. Simplify the answers. √-30 / √-10
Problem 34
Solve each equation. (x+4)/2x = (x-1)/3
Problem 34
Solve each inequality. Give the solution set in interval notation. 2>-6x+3>-3
Problem 34
Solve each equation using the square root property. (x - 4)2 = -5
Problem 34
Solve each inequality. Give the solution set in interval notation. 5| x + 1 | > 12
Problem 35
Solve each problem. See Example 4. Cody sells some property for $240,000. The money will be paid off in two ways: a short-term note at 2% interest and a long-term note at 2.5%. Find the amount of each note if the total annual interest paid is $5500.
Problem 35
Solve each inequality. Give the solution set in interval notation. -4≤(x+1)/2≤5
Problem 35
Solve each equation. 2x/(x-2) = 5 + 4x2/(x-2)
Problem 35
Solve each inequality. Give the solution set in interval notation. | 5 - 3x | > 7
Problem 35
Simplify each power of i. i-27
Problem 35a
Find each product or quotient. Simplify the answers. √-24 / √8
Problem 36
Solve each inequality. Give the solution set in interval notation. | 7 - 3x | > 4
Problem 36
Solve each equation using the square root property. (-2x + 5)2 = -8
Problem 36
Simplify each power of i. 1/i17
Problem 36
Solve each equation. 3x2/(x-2) + 2 = x/(x-1)
Problem 36
Determine whether each equation is an identity, a conditional equation, or a contradiction. Give the solution set. -6(2x+1) - 3(x-4) = -15x+1
Problem 37
Solve each problem. See Example 4. In planning her retirement, Kaya deposits some money at 2.5% interest, and twice as much money at 3%. Find the amount deposited at each rate if the total annual interest income is $850.
Problem 37
Solve each inequality. Give the solution set in interval notation.
Problem 37a
Find each product or quotient. Simplify the answers. √-10 / √-40
Problem 38
Solve each inequality. Give the solution set in interval notation. 1≤(4x-5)/2<9
Problem 38
Solve each equation using completing the square. x2 - 7x + 12 = 0
Problem 38
Solve each inequality. Give the solution set in interval notation. | 7 - 3x | ≤ 4
Problem 38
Determine whether each equation is an identity, a conditional equation, or a contradiction. Give the solution set. -0.6(x-5)+0.8(x-6) = 0.2x - 1.8
Problem 39
Solve each quadratic inequality. Give the solution set in interval notation.. x2+3x-4<0
Problem 39
Solve each inequality. Give the solution set in interval notation. | (2/3)x + 1/2 | ≤ 1/6
Problem 39
Solve each problem. See Example 4. Zhu inherited $200,000 from her grandmother. She first gave 30% to her favorite charity. She invested some of the rest at 1.5% and some at 4%, earning $4350 interest per year. How much did she invest at each rate?
Problem 39
Solve each equation. 2x2+x-15 = 0
Problem 39a
Find each product or quotient. Simplify the answers. √-6 * √-2 / √3
Problem 40
Solve each quadratic inequality. Give the solution set in interval notation. x2-7x+10<0
Problem 40
Solve each formula for the specified variable. Assume that the denominator is not 0 if variables appear in the denominator. I=Prt,for P (simple interest)
Ch. 1 - Equations and Inequalities
