What is the Vertex of the graph of the quadratic function f(x)=x 2 +6x+10 A. (3,1)
B. (-3,-1)
C.(-3,1)
D. (3,1)​

mark branliest

step-by-step explanation:

.6 is 1/2 of 12

the answer is actually d. i just took the test

2

step-by-step explanation:

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∠lno ≅ ∠lnm

∠oln ≅ ∠mln

step-by-step explanation:

given   that triangle lno is congruent to triangle lnm.

we have to fill up the blanks in the given question.

according to above order of congruency   kept in mind we can say that

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

ln ≅ ln due to common in both.

hence, by sas congruency,

the side angle side rule   states that if two sides and the included angle of one triangle are congruent to another triangle, then these two triangles are congruent.

im here

step-by-step explanation: