Graph the parabola.y = x2

A.

B.

C.

D.


Answer: C

Mathematics

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?Which of the following is true about similar polygons?

A. ?If a and a', b and b', c and c', etc. are corresponding sides, then ak = a', bk = b', ck = c', etc. B. ?If the polygons are similar, then the perimeter of one polygon is kP, where k is the constant of proportionality and P is the perimeter of one polygon. C. ?If the polygons are similar, then the perimeter of one polygon is knP, where k is the constant of proportionality, P is the perimeter of one polygon, and n is the number of sides of the polygon.  D. ?a and b are true. E. ?a and c are true.

Mathematics

Write the equation for the plane.The plane through the point P(-2, 2, -2) and parallel to the plane 

A. 4y = -2 B. -7x - 2y + 6z = -2 C. -7x - 2y + 6z = -22 D. -7x - 2y + 6z = 2

Mathematics

Identify all of the symmetries in the following figure.

A. It has rotation symmetry with angles of 360° ÷ 5 = 72° and multiples of 72°. It can also be reflected across five lines through its center and retain its appearance. B. It has rotation symmetry; it can be rotated through 270° and its appearance remains the same. C. It has rotation symmetry with angles of 360° ÷ 5 = 72° and multiples of 72°. D. None of these.

Mathematics

Fill in the blank with one of the words or phrases listed below.A(n)  is a special bar graph in which the width of each bar represents a(n)  and the height of each bar represents the .

A. pictograph; class frequency; class interval B. pictograph; class interval; class frequency C. histogram; class frequency; class interval D. histogram; class interval; class frequency

Mathematics