Without solving explain why the equations do not have solutions
1 answer:
<h2>Examining the equation</h2>
We have 2 terms:
and
For the sum of these to equal a negative number, in this case -3, one of these terms would have to be negative.
<h2>So what's the problem?</h2>The function (square root of x) only returns positive values!
(See the attached image for a graph of )
Since neither of the terms can be negative, it can't be equal to -3. In other words, no matter what we put as , we can't solve the solution, so we say that the equation <em>does not have any solutions.</em>
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Answer:
One
Step-by-step explanation:
It is given that,
y = 3x-5 ....(1)
y = -x+4 .....(2)
We can solve the above equations using substitution method. Put the value of y from equation (1) to equation (2) such that,
Put the value of x in equation (1) we get :
It means that the value of x is and the value of y is
. Hence, the given equations has only one solution.