SOL Algebra 1 Practice test

Which expression represents four less than half a number, n

• 4 - 1/2n
• 1/2n - 4
• 1/2 ( 4 - n)
• 1/2 ( n - 4)

Which of the following binomials is a factor of x² - x - 6

• x - 1
• x - 2
• x - 3
• x - 6

• B
• A & C
• B & C
• A & D

• x - 6y
• x - 2y
• 2x - 4y
• 9x - 6y

• 2 ∛6
• 6 ∛2
• 16
• 24

• 8 √2
• 64√2
• 4√8
• 16√8

• 2n - 3
• 3 - 2n
• 3 - 2n²
• 4 - 2n²

Which is a factor of 2n² - 5n - 42 ?

• 2n - 7
• 2n - 6
• n - 7
• n - 6

• a⁹/ b⁴
• b⁴ / a⁹
• a⁴ / b³ 
• a⁹ b⁴ 

• -42
• -18
• 18
• 42