3/1 Do Now

Factor
-8x²y² + 32yz + 40y

• 8z(-x² + 4z +1)
• 8y(-4x²y² + 16yz + 20y)
• 8y(-x²y + 4z + 5)
• 4y (-2x²y + 40z + 10)

Factor
-64a⁴b - 96ab³ + 8a

• 8a(-8a³b - 12b³ + a)
• 8ab(-8a³ + 12b² + 1)
• 8a(8a³b - 12b² + 1)
• 8a(-8a³b - 12b³ + 1)

Tags

CCSS.HSA.APR.C.4

7r³-8r²+42r-48

• (r²+6)(7r+8)
• (r²+6)(7r-8)
• (r²+6)(r²+8)
• (r²+6)(7r+6)

20x³-25x²+4x-5

• (5x²-5)(4x+1)
• 5(x²-1)(4x+5)
• (5x²+1)(4x-5)
• (5x²+1)(4x-1)

2x³-8x²-x+4

• (2x²-1)(x-4)
• 2(x²-1)(x+4)
• (x²-1)(2x-4)
• (2x²+1)(x-4)

30x³+15x²-18x-9

• (5x²-3)(6x+1)
• (5x²-3)(6x+3)
• 3(5x²+3)(2x-1)
• 3(5x²-3)(2x+1)

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

Solve for x.

• x = 21
• x = 7
• x = −21
• x = 4

Tags

CCSS.6.EE.B.7

Solve: x + 3x - 2x = 12

• 2
• 6
• -2
• -6

Tags

CCSS.8.EE.C.7B

Solve by clearing the fractions first:

• x = -4
• x = 4
• x = 3
• x = -12

Tags

CCSS.8.EE.C.7B