Algebra I Test Review 1/9/23

Is 5ab² a monomial?

• Yes
• No

Is 5x + 7 a monomial?

• Yes
• No

Identify all monomials.

• a⁷ - 3a + 1

• 15a⁸

• 5 - a⁸

• 7a + 5a¹²

• 10x⁹
• 24x¹⁴
• 24x⁹
• 10x¹⁴

• 80xy³
• 80x⁶y³
• 80x⁶y⁶
• none of the above

• 8x⁴
• 8x⁸
• 6x⁴
• 6x⁸

(-20x⁷y⁵) ÷ (-4x³y²)

• -5x⁴y³
• 5x⁴y³
• 5x¹⁰y⁷
• -5x¹⁰y⁷

|x - 4| + 5 = 25

• x = 24

  x = -16

• x = 29

• x = 24

• x = 24

  x = -26

Solve:  -3 ≤ 2x - 1 ≤ 5

• -1 ≤ x ≤ 3
• -1 < x < 3
• 1 < x < 3
• 1 ≤ x ≤ 3

Line 1: (15, 20), (17, 18)

Line 2: (-22, -18), (-20, -16)

The two lines are _____________________.

• Parallel

• Perpendicular

• Neither