Algebra

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

Simplify the expression: 7v + 2 + 12 + 2v

• 23
• 23v
• 9 + 14v
• 9v + 14

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

3b + b - 2b 

• 3b
• b
• 2b

Simplify: 4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

If a = 4 and b = 6, what is the value of 3a + 5b?

• 40
• 42
• 44
• 46

If y = 7, find the value of 2(y+4).

• 11
• 22
• 20
• 12

Which of the following is the correct expansion of:
5(r - 2)?

• 5r - 2
• 5r +2
• 5r + 10
• 5r - 10

Which of the following is the correct expansion of:
a(a - 10)?

• a² - 10a
• 2a - 10
• 2a² - 10
• a - 10a²