2 years ago

PLEASE HELP!!!

2 answers:

6 0

The axis of symmetry for a parabola is the line that splits the parabola completely in half. That line is at the vertex of the parabola. The parabola opens upwards and has a vertex at (4,3). Therefore, the line of symmetry is at x = 4, which is answer D.

Sedbober [7]2 years ago

4 0

I think the answer is a

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Correct choice is A

Step-by-step explanation:

Two vertices of the rectangle have coordinates A(-1, 5) and B(2, 1). If rectangle sides are parallel to the axes, then two remaining vertices have coordinates C(-1,1) and D(2,5) (see attached diagram for details).

Find the length and the width:

$AC=\sqrt{(-1-(-1))^2+(5-1)^2}=4\ units,\\ \\AD=\sqrt{(2-(-1))^2+(5-5)^2}=3\ units.$