Https://www.desmos.com/calculator use this to graph your equations like this, it is very helpful to solve difficult math problems like these. :) The vertex is (-4,1) and even shows it on the graph
Answer:
His test IS a solution.
Step-by-step explanation:
Both LHS and RHS are equal so it is a solution.
<span>2.1m = 25.62
divide both sides by 2.1
</span>2.1m / 2.1 = 25.62 / 2.1
simplify
m = 12