Question 1

Alejandro wrote the number 6,240,000 in scientific notation.  Which number did he write?

Accepted Answer

$6.24	imes 10^6$

Answer

$6.24 	imes 10^4$

Answer

$624 	imes 10^4$

Answer

$624 	imes 10^6$

Question 2

The points A(0,0), B(1,1), C(2,2) and D(3,3) all lie on the line y = x.  Ben calculates the slopes between A and B and between C and D.  What can he conclude?

Accepted Answer

The slopes are the same.

Answer

The slope between A and B is greater than the slope between C and D.

Answer

The slope between C and D is greater than the slope between A and B.

Answer

Both of the slopes calculated are negative.

Question 3

What is the slope of the line represented by the table?

Accepted Answer

2

Answer

$-\frac{1}{2}$

Answer

-2

Answer

$\frac{1}{2}$

Question 4

what is the equation of the line graphed?

Accepted Answer

y = 2x + 2

Answer

y = 2x - 2

Answer

y = -2x + 2

Answer

y = -2x - 2

Question 5

Carmella sells homemade pies for 10 dollars a pie.  It costs 2 dollars for the ingredients to bake each pie.  Carmella bought a new oven for $600.  How many pies must she bake and sell to recover the cost of the oven?

Accepted Answer

75

Answer

95

Answer

50

Answer

60

Question 6

Which graph does not show a linear relationship?

Accepted Answer

B

Answer

C

Answer

A

Answer

D

Question 7

Solve the equation:  $8n + 9 = -n$

Accepted Answer

$-1$

Answer

1

Answer

$-\frac{7}{9}$

Answer

17

Question 8

Solve:  3x + 4 = 5x + 7

Accepted Answer

-1.5

Question 9

Andrew graphed the triangle X'Y'Z' by dilating triangle XYZ.  Which statement must be true?

Accepted Answer

The ratios of corresponding sides of triangles XYZ and X'Y'Z' are equal.

Answer

The area of triangle X'Y'Z' is greater than the area of triangle XYZ.

Answer

Triangle XYZ is an isosceles triangle.

Answer

Triangle XYZ is congruent to triangle X'Y'Z'

Question 10

A cell phone company charges $50 for the phone plus a monthly service charge of 30 dollars.  The equation y = 30x + 50 describes the total cost y after x months.  Which statement is true?

Accepted Answer

The relationship is linear, but non-proportional

Answer

The relationship is linear and proportional.

Answer

The relationship is non-linear, but is proportional.

Answer

The relationship is non-linear and non-proportional.

Question 11

A leopard's speed was timed over a 60-yard distance.  The leopard was running 50 mph.  Which equation shows the relationship between the distance in miles, y, and time, x, the leopard runs?

Accepted Answer

y = 50x

Answer

y = 60x

Answer

y = 60x + 50

Answer

y = 50x + 60

Question 12

A 10 foot ladder leans against a wall.  The bottom of the ladder is 6 feet away from the wall.  How many feet high is the top of the ladder?

Accepted Answer

8

Answer

7

Answer

6

Answer

9

Question 13

Mandy drew a cylinder with a radius of 3 inches and a height of 5 inches.  She also drew a cone with the same radius and height.  Which statement is true?

Accepted Answer

The volume of the cylinder is three times the volume of the cone.

Answer

The volume of the cylinder is $\frac{4}{3}$ the volume of the cone.

Answer

The volume of the cone is three times the volume of the cylinder.

Answer

The volumes of the cone and the cylinder are equal.

Question 14

A sphere has a radius of 3 cm.  What is the volume of the sphere?

Accepted Answer

36$\pi$ cm$^3$

Answer

9$\pi$ cm$^3$

Answer

27$\pi$ cm$^3$

Answer

108$\pi$ cm$^3$

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