Advanced Math practice question

Answer: 10

Let the numbers be n and n + 2: n(n + 2) = 24, so n² + 2n − 24 = (n + 6)(n − 4) = 0, n = 4. The numbers are 4 and 6; their sum is 10.

Common wrong answers

If you answered 4

4 is the smaller number alone.

If you answered 6

6 is the larger number alone.

If you answered 26

26 adds the product and the difference.

More Advanced Math questions

• Hard
  A population of bacteria doubles every 3 hours. If it starts at 500, which function models the population P af…
• Hard
  How many real solutions does x² + 4x + 5 = 0 have?
• Hard
  A car worth $20,000 loses 15% of its value each year. What is its value after 2 years?
• Hard
  An investment of $1,000 grows at 6% per year, compounded annually. Which expression gives its value after t ye…
• Hard
  If f(x) = x² − 1 and g(x) = x + 2, what is g(f(3))?
• Hard
  The parabola y = x² − 8x + 12 crosses the x-axis at two points. What is the x-coordinate of the vertex?