wk3 quiz MA105 Algebra

Solve the inequality

4x-1>0

z

  

2.  Solve the following quadratic equation by completing the square. Show all work. 

16x^2 = 48x-27

 Perform the operation and write the result in standard form. 

3. ( √ 19+ √ 8i)( √ 19- √ 8i)

4. 

Use absolute value notation to define the interval (or pair of intervals on the real number line.

All real numbers within 6 units of 11.

5.  Write the complex number in standard form 

     8+ √ -25

6.  Solve the equation by extracting square roots. 

     (x+6)^2 =3

7.  Select the equation which has the given solutions

     0, 4, 8

x^3-32x^2+12x=0

x^3-12x^2+32x=0

x^3+12x^2+32x=0

x^3+32x^2+12x=0

•