Let the x and y represent the tens digit and ones digit of a two digit number respectively. The sum of the digits of a two-digit
number is 9. If the digits are reversed, the new number is 27 more than the original number. What is the original number?
*Write a system of equations to describe the situation
*Find the solution to the system and answer the question.
*Write a system of equations to describe the situation
*Find the solution to the system and answer the question.
1 answer:
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Answer:
Step-by-step explanation:
x²-5x=12
x²-5x+(\frac{-5}{2})²=12+(frac{-5}{2})²
The answer is D. (3,-39)
Just plug the numbers into the formula to find the Parabola.
<span>f(x) = ax</span>
<span><span>+ bx + c
</span>
Then find X:
</span><span>
x = - </span>
<span>
Then solve.</span><span>
Hope this helped. Have a great day!</span>
Just plug the numbers into the formula to find the Parabola.
<span>f(x) = ax</span>
</span>
Then find X:
</span><span>
x = - </span>
Then solve.</span><span>
Hope this helped. Have a great day!</span>