Let the function f be defined by f(x) = 3x-1. What is the value of f(30)?
91
132
What is the mode of this data set?
40, 23, 68, 50, 58, 23, 43, 23
23
If x2 = 64, what is the POSITIVE value of 5x?
40
(x-3)2 + (y+2)2 = 25. What is the radius of the circle?
5
The function f is defined by the given equation. For what value of x does f(x) reach its minimum?
f(x)=(x+7)2+ 4
-7
The population density of Cedar County is 230 people per square mile. The county has a population of 85,100 people. What is the area in square miles of Cedar County?
370 square miles
For the system of equations: x + y = 125
x + 2y = 153 what is the value of y?
28
The equation 40x+20y=160 represents the number of sweaters, x, and number of shirts, y, that Ms. Johnson purchased for $160. If Ms. Johnson purchased 2 sweaters, how many shirts did buy?
4
The height h of a cylinder is 10ft. The radius is 7ft. What is the Volume of the cylinder? (USE REFERENCE SHEET)
1,538.6
or
490pi
What is the negative solution to the following quadratic?
x2-4x-12
-2
25 movies
2, 8, 4, 8, 2, 6
25
The Triangle ABC has angle A = 38 and angle B = 57. What is the value for angle C?
85
If f(x) = 2x + 5 and g(x) = 3x, what is the value of f(4) - g(2)?
7
A cherry pitting machine pits 12 pounds of cherries in 3 minutes. At this rate how many minutes does it take it to pit 96 pounds of cherries?
24
Given the following system of equations, what is the value of x+y?
y=x2+14x+48
x+8=11
102
A culture of 5000 bacteria doubles every 10 minutes. What is the size of the bacteria population after 30 minutes?
30,000
Circle A in the xy plane has the equation (x-9)2+(y-6)2=49. Circle B has the same center as circle A. The equation defining circle B in the xy plane is (x-9)2+(y-6)2=k, where k is a constant. what is the value of k?
196
What is the result of combining the solutions of the given quadratic equation:
x2-1x-30
1
A number is at most 17 less than 5 times the value of y. If the value of y is 3, what is the greatest possible value of x?
-2
Given the system of equations:
3x+2y=10
6x+ky=12
Which of the following possible values of k does the system have no solution?
a) 2 b) 3 c) 4 d) 6
c) 4
Ms. R has $200 to spend at the shoe store. She bought a pair of Jordans that were originally $250 at 30% discount. How much money does she have left to buy purple sandals?
$25