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2. Solve: 10x4 - 9x2...

2. Solve: 10x4 - 9x2 + 2 = 0

5. Solve: x2 + 14x – 4 = 0

21. Multiply: (5√2 – 15 √7)(3√2 + 9√7)

24. Multiply and simplify: 81d2 * 3d-9

3d2-18d+27 9d

26. Simplify 5√-1/1024

33. Solve for x: 4x(x-7) – 5x(x-6) = -3

34. Find the following 12√(-6)12

35. Identify the degree of each term of the polynomial and the degree of the polynomial: -4x3 + 6x2 + 4x + 2

Degree of the 1st term:

Degree of the 2nd term:

Degree of the 3rd term:

Degree of the 4th term:

Degree of the polynomial:

36. Subtract. Simplify by collecting like radical terms if possible:

5√75 - 4√3

37. Solve: (x+2)(x-10)(x+1)>0

a)solution set is ( , )

b) solution is all real numbers or

c) ther is no solution

38. Add. Simplify if possible 2y + y

y2-16 y-4

39. For the following equation, state the value of the discriminant and then describe the nature of the solution: 15x2 + 5x – 14 = 0

The value of discriminant is: .

a> The equation has one real solution

b> The equation has two imaginary solutions

c> The equation has two real solutions

50. Find the variation constant and an equation of variation where y varies directly as x and y=42 when x=7

The variation constant is k= .

The variation constant is y= .

51. Simplify by factoring. Assume that all expressions under radicals represent non negative numbers: √50a2b

52. Rationalize the denominator. Assume all expressions under radicals represent positive numbers: √u - √v .

√u + √v

56. Solve: √9x+55 = x+5

60. Divide and simplify: g3 / g15

5. Solve: x2 + 14x – 4 = 0

21. Multiply: (5√2 – 15 √7)(3√2 + 9√7)

24. Multiply and simplify: 81d2 * 3d-9

3d2-18d+27 9d

26. Simplify 5√-1/1024

33. Solve for x: 4x(x-7) – 5x(x-6) = -3

34. Find the following 12√(-6)12

35. Identify the degree of each term of the polynomial and the degree of the polynomial: -4x3 + 6x2 + 4x + 2

Degree of the 1st term:

Degree of the 2nd term:

Degree of the 3rd term:

Degree of the 4th term:

Degree of the polynomial:

36. Subtract. Simplify by collecting like radical terms if possible:

5√75 - 4√3

37. Solve: (x+2)(x-10)(x+1)>0

a)solution set is ( , )

b) solution is all real numbers or

c) ther is no solution

38. Add. Simplify if possible 2y + y

y2-16 y-4

39. For the following equation, state the value of the discriminant and then describe the nature of the solution: 15x2 + 5x – 14 = 0

The value of discriminant is: .

a> The equation has one real solution

b> The equation has two imaginary solutions

c> The equation has two real solutions

50. Find the variation constant and an equation of variation where y varies directly as x and y=42 when x=7

The variation constant is k= .

The variation constant is y= .

51. Simplify by factoring. Assume that all expressions under radicals represent non negative numbers: √50a2b

52. Rationalize the denominator. Assume all expressions under radicals represent positive numbers: √u - √v .

√u + √v

56. Solve: √9x+55 = x+5

60. Divide and simplify: g3 / g15

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