Solve the problem
-$x$ and $y$ are two positive numbers and $y$ is three greater than $x$. The product of the numbers is 340 . Find the smaller number, $x$.
A) 9
B) 17
C) 20
D) 10

Question

Quizplus · Accepted Answer

Let $ y = x + 3 $. The product of the numbers is $ x(x + 3) = 340 $. Solving the quadratic equation $ x^2 + 3x - 340 = 0 $ using the quadratic formula gives $ x = 17 $ or $ x = -20 $. Since $ x $ is positive, the smaller number is 17.

Solve the Problem - xxx And yyy Are Two Positive Numbers And yyy

Solve the Problem
- $x$ And $y$ Are Two Positive Numbers And $y$