College Algebra Final Exam Review Part 1

Solve the equation  $2x^2-5x\ +\ 8\ =0$ 

•  $\frac{5\ \pm i\sqrt{57}}{4}$ 

•  $\frac{5\ \pm i\sqrt{39}}{4}$ 

•  $\frac{-5\ \pm\sqrt{39}}{4}$  

•  $\frac{-5\pm i\sqrt{57}}{4}$  

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• S = 6

• S = 4

• S = 9

• S = 7

Tags

CCSS.HSA.REI.A.2

• down left;

  up right

• up left;

  down right

• down left;

  down right

• up left;

  up right

Tags

CCSS.HSG.GPE.A.1

List the open intervals over which this function is decreasing.

• (-2, 0)

• The function is never decreasing.