16 Questions

Questions and Answers

- 1.Find the mean, median, and mode for the data set. Round answers to the nearest tenth if necessary.
- 2.The circle graph below shows the colors people choose when buying sport utility vehicles at Smart Buy Motors. If 600 sport utility vehicles were sold, how many more blue ones were bought than silver ones?
- A.
102

- B.
145

- C.
20

- D.
15

- 3.Find the length of the missing side. If necessary, round to the nearest hundredth.
- A.
76.5

- B.
77.8

- C.
79.6

- D.
79.7

- 4.Find the distance between this pair of points: (-10,-8), (2,-13)
- A.
15

- B.
14

- C.
13

- D.
12

- 5.Find the slope of the line that passes through this pair of points: (–3, 1), (–3, 3)
- A.
0

- B.
2/3

- C.
3

- D.
Undefined

- 6.If the function
*f(x)*= 9x + 7, find*f(3)*.- A.
34

- B.
27

- C.
18

- D.
30

- 7.State the slope and the y-intercept:
*y =*7*x -*8- A.
Slope = 7; y-int = 8

- B.
Slope = 7; y-int = -8

- C.
Slope = 7x; y-int = 8

- D.
Slope = 7x; y-int = 8

- 8.Write an equation of the line that passes through the point with the given slope: (4, -3), m = -2
- A.
Y = -2x + 5

- B.
Y = -3/4x - 2

- C.
Y = -2x - 3

- D.
Y = -2x + 4

- 9.Write an equation of the line that passes through this pair of points: (5, 3), (-4, 5)
- A.
Y = -2/9x + 37/9

- B.
Y = -2x + 13

- C.
Y = -2x - 3

- D.
Y = -9/2x - 12

- 10.Write the equation in slope-intercept form:
*y*– 8 = (*x*– 6)- A.
Y = x - 14

- B.
Y = x + 2

- C.
Y = x - 2

- D.
Y = -8x - 6

- 11.Write the slope-intercept form of an equation of the line that passes through the given point and is parallel to the graph of the equation. (3, –4), 3
*x*+*y*= –5- A.
Y = -3x - 5

- B.
Y = -1/3x + 5

- C.
Y = -1/3x - 5

- D.
Y = -3x + 5

- 12.Write the slope-intercept form of an equation that passes through the given point and is perpendicular to the graph of the equation. (4, –2),
*x*– 3*y*= 3- A.
Y = -3x + 10

- B.
Y = -3x - 10

- C.
Y = 3x + 10

- D.
Y = 3x - 10

- 13.
- A.
:

- B.
:

- C.
:

- D.
:

- 14.Tom scored 82%, 92%, 87%, 77%, and 94% on the first 5 tests in his science class. Write an inequality to show what he must earn on his sixth test to earn an average of 88% or greater.
- 15.Use substitution to solve this system of equations:
- A.
X = 4 and y = 1/3

- B.
X = 1/3 and y = 2

- C.
X = 3 and y = 0

- D.
X = 2 and y = -1/3

- 16.Use elimination to solve this system of equations:
- A.
X = 2; y = 0

- B.
X = 1; y = 3

- C.
X = 0; y = 2

- D.
X = 3; y = 1