Solving Quadratics

solve:  
4x²+16x+15=0

• -5/2,-3/2
• (2x+5)(2x+3)
• -10,-6
• 5/2, 3/2

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3

Solve
2x² + 17x + 21 = 0

• x= ^-21/₂, -17
• x= ²/₃, 16
• x=-7, ^-3/₂
• x=15, -³/₇

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution

What are the roots of the function?

• x = 4, -1

• (-4, 1)

• x = -4, 1

• (4, 0) (-1, 0)

• -4, 2
• -2, 4
• -16
• -4

• -2, 4
• -8
• ±8
• No real solution

• -6, -2
• -2, 6
• 2, 6
• -6, 2

• 1.5, - 1.5

• 1.5

• -1, 1

• No real solution

• -6, -2
• -2, 6
• 2, 6
• -6, 2