Practice Exam Answers

33 verified answers
23

All measurements of circle cap A can be determined using which of the following?

A
the scale factor between circle cap A and a larger circle
B
the location of the center of circle cap A on the coordinate plane
C
the scale factor between circle cap A and a smaller circle
D
the radius of circle cap A
25

Garth is packing boxes with books. The list shows how many books are in each of 10 boxes. 6, 14, 6, 18, 9, 9, 12, 10, 11, 15 Which statement is true about the number of books packed to a box?

A
The mean number of books to a box is 11.
B
The median number of books to a box is 9.
C
The median number of books to a box is 8.
D
The mean number of books to a box is 12.
30

Which statement describes the order of rotational symmetry for an isosceles triangle?

A
An isosceles triangle has an order 1 rotational symmetry because it does not have all congruent angles.
B
An isosceles triangle has an order 0 rotational symmetry because there is no angle at which it can be rotated onto itself.
C
An isosceles triangle has an order 2 rotational symmetry because it has 1 pair of congruent angles.
D
An isosceles triangle has an order 3 rotational symmetry because it has 3 angles.
31

Which defines a line segment?

A
a piece of a line with two endpoints
B
a piece of a line with one endpoint
C
two rays with a common endpoint
D
all points equidistant from a given point
32

Which best describes the strength of the model with an r -value of negative 0 point 9 3 ?

A
a strong negative correlation
B
a weak positive correlation
C
a strong positive correlation
D
a weak negative correlation
33

Giselle graphs the function f of x is equal to x squared Robin graphs the function g of x is equal to negative x squared How does Robin’s graph relate to Giselle’s?

A
Robin’s graph is a translation of Giselle’s graph 1 unit down.
B
Robin’s graph is a reflection of Giselle’s graph over the x -axis.
C
Robin’s graph is a translation of Giselle’s graph 1 unit left.
D
Robin’s graph is a reflection of Giselle’s graph over the y -axis.
34

Which best describes the dimensions of a plane?

A
A plane has one dimension because it is made up of an infinite number of points.
B
A plane has zero dimensions because it represents a location on the coordinate plane.
C
A plane has two dimensions because it is a flat surface that has length and width but no depth.
D
A plane has three dimensions because it is made up of exactly three noncollinear points.
35

Which is true of the regression model?

A
The graph of the regression model is limited to whole-number values for y .
B
The graph of the regression model is limited to whole-number values for x .
C
The graph of the regression model cannot be used to approximate the population size for year 1 .
D
The graph of the regression model can be used to predict the population size for any number of years in the future.

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