Is this a function? please explain if possible...
1 answer:
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Answer:
B
X= 7.5
Y= -5
Step-by-step explanation:
In systems of equations, the goal is to add both of the equations together so it cancels one of the variables and you solve for that variable. Before you add they together, you multiply one of the equations by a negative number so when you add them together one of the numbers with x or y cancel.
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2. You see them in your face:
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To sum up, <em>corresponding parts of congruent triangles are always congruent</em> [<em>CPCTC</em>].
1. The edge and angle markings of both triangles represent all corresponding parts. Each angle and edge corresponds with another angle and edge.
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