Warm Up

What is the LCM of 16, 40, and 28?  (Level 1)

• 16
• 4
• 2
• 7

-8*__ = 40.  Level 1

• 5
• 48
• -5
• 16

Which of the following sets of numbers are all factors of 30?  Level 1

• -2, 15, 6
• 3, 12, 15
• 5, 6, -7
• 1, 10, 14

Which of the following is equivalent to -10*-2?  Level 1

• 5*-4
• 2+20
• 20*-1
• 4*5

Factor out the gcf of 18x + 10.  Level 2

• 2(x+5)
• 2(9x+5)
• 2(18x+10)
• 3(6x + 7)

Factor the difference of squares 49x²-16.  Level 2

• (7x+4)(7x-4)
• (7x+8)(7x-8)
• (7x +4)(7x+4)
• (7x-8)(7x-8)

Factor the trinomial x²+11x + 28.  Level 2

• (x+7)(x+4)
• (x+14)(x+2)
• (x-7)(x+4)
• (x+28)(x+1)