6.5D Notes - Factoring Trinomials Part 4

What should go in the first and last boxes?

a

b

6x^2

-1x

-35

What two numbers have a sum of -1 and a product of -210?

Remember that you can use Y= and the table in the calculator.

• 10 and -11
• 5 and -6
• -20 and 19
• 14 and -15

• sum = -79

  product = -162

• sum = -18

  product = -711

• sum = 9

  product = -162

• sum = -79

  product = -18

9x times what will make -81x?

• -8
• -9
• -10
• -7

1x times what will make 2x?

• 4
• 2
• 3
• 1

• (x + 9)(18x - 4)
• (x-9)(9x+2)

• 2(x - 9)(9x + 2)

• (x - 3)(6x - 12)