Answer:
Yes
Step-by-step explanation:
1.2 is rational
The first picture is for number 1 and the second one for number 2.
Answer:
possibly z2-6 so try the third one
Step-by-step explanation:
Answer:
The solutions of the system of equations are the points
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by substitution
substitute equation B in equation A

solve for x


The formula to solve a quadratic equation of the form
is equal to
in this problem we have

so
substitute in the formula
----->
----->
<em>Find the values of y</em>
For
---->
For
---->
therefore
The solutions of the system of equations are the points