8th Grade Algebraic Expressions Quiz

Which of the following is an algebraic expression?

• 3x + 2 = 7
• 5y - 4
• 2(x + 3) > 10
• 7 = 7

What is the coefficient of the term 9x²?

• 2
• x²
• 9
• 9x

Simplify the expression: 7x + 3 + 2x - 5

• 9x - 2
• 9x - 8
• 5x - 2
• 12x - 2

What is the degree of the expression 4x³ + 2x² - 7?

• 7
• 2
• 4
• 3

If x = 3, what is the value of the expression 2x² - 5x + 4?

• 7
• 13
• 10
• 1

Expand (x + 5)(x - 2)

• x² + 3x - 10
• x² - 3x - 10
• x² + 7x - 10
• x² + 3x + 10

Which expression is equivalent to 3(2x - 4) + 5x?

• 6x - 12 + 5x
• 11x - 12
• 11x - 4
• 6x + 5x - 4

Factor the expression: 15y² + 5y

• 5y(3y + 1)
• 5(3y² + 1)
• 5y(3y + 5)
• y(15y + 5)

What is the expression for 'a number n increased by 8, then multiplied by 3'?

• 3n + 8
• 3(n + 8)
• 8n + 3
• 3n × 8

Simplify the expression: 4(3x - 2) - 5(2x + 1)

• 12x - 8 - 10x - 5
• 2x - 13
• -14x - 1
• 12x - 18