3 years ago

Can someone pls help me understand how to figure out this problem?

Mathematics

1 answer:

spayn [35]3 years ago

5 0

Answer:

Angle one is almost exactly equally to angle fifteen by the description. The law of correspondance states that since angles one and three share vertices they are also equal. So therefore, by the law of correspondance, you can tell that lines q and r are parrallel.

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On the set of axes below, draw the graph of y=x^2-4x-1

never [62]

9514 1404 393

Answer:

axis of symmetry: x = 2

see below for a graph

Step-by-step explanation:

You can complete the square to put the equation in vertex form.

y = (x^2 -4x +4) -1 -4

y = (x -2)^2 -5 . . . . . . vertex is (2, -5)

The equation of the axis of symmetry is the equation of the vertical line through the vertex:

x = 2 . . . . . axis of symmetry

Points on the graph are easily found by using integer values on either side of x=2. Points on one side of the axis of symmetry are mirrored on the other side of it.