MTH 610 Core Final Review

• x = 2704

• x = 52

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6
• x = 3 and x = -6
• x = -9 and x = 2
• x = 9 and x = -2

• x = 3, -5

• x = 4, -4

• x = 5, 21

• x = 16

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

• x = 5, 3

• x = 5

• x = 4, 1

• x = 5, -3

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4
• -4 & 10
• -8 & 4
• 8 & -4

Solve using the quadratic formula
8n² + 10n - 3 = 0

• n = ^-1/₈, ¹⁰/₃
• n = ⁴/₅, - 2
• n = ¹/₄, ^-3/₂
• n = 2, -12

How many and what type of solutions  7m² - 12m + 5 = 0

• 2 rational

• 2 irrational

• 1 rational

• 2 complex

How many and what type of solutions  3m² - 6m + 3 = 0

• 2 rational

• 2 irrational

• 1 rational

• 2 complex

Solve using the quadratic formula.
2x² - 9x - 35 = 0

• x = 7/2, x = -6
• x = -5/2, x =5
• x = -3/7, x =6
• x = -5/2, x = 7