Algebra practice question

Answer: A. x ≤ 4

Divide both sides by 3: x ≤ 4.

Why the other answers are wrong

B. x ≥ 4

Dividing by a positive number does not reverse the sign.

C. x < 4

The ≤ includes 4 itself.

D. x ≤ 9

9 subtracts 3 instead of dividing.

More Algebra questions

• Easy
  If 3x + 7 = 22, what is the value of x?
• Easy
  If x/4 = 9, what is the value of x?
• Easy
  The function f is defined by f(x) = 6x − 5. What is the value of f(3)?
• Easy
  The perimeter P of a rectangle with length l and width w is given by P = 2l + 2w. Which of the following expre…
• Easy
  Which equation defines the function f?
• Easy
  In the xy-plane, the graph of the equation y = 4x − 12 crosses the x-axis at the point (a, 0). What is the val…