Math IB DHQ 3/16/18

What are the solutions?
(y - 5)(y + 3) = 0

• y = -3 or y = 5
• y = -5 or y = 3
• y = -2 or y = -15
• y = 2 or y = 15

Tags

CCSS.HSA-REI.B.4B

Solve for y.
2y² + 3y - 2 = 0 

• y = -2 or y = 1/2
• y = -1 or y = 2
• y = -2 or y = 1
• y = -1/2 or y = 2

Tags

CCSS.HSA-REI.B.4B

Solve for h.
3h² + 4h + 1 = 0

• h = -1 or h = -1/3
• h = -1 or h = 1
• h = -1 or h = 1/3
• h = -1

Use the graph of the function f(x)=-2x²+4x+6 to find the solution(s) of the equation -2x²+4x+6=0.

• x=-1
• x=3
• x=-1 and x=3
• x=1and x=8