A club at school needs $500. Their money collection for the week is modeled with f(x)=10+20x. What is the meaning of the constant 10?
It's the starting amount.
It's how much money is left over.
It's how much money still needs to be collected.
It's the amount of money raised each week.
2. Multiple Choice
2 minutes
1 pt
The bases of a trapezoid measure 14.5 and 22.5. What is the minimum height of the trapezoid if it is to have an area of no less than 259 square feet? Area= (1/2)h(b1+b2)
3.5
7
14
18.5
3. Multiple Choice
2 minutes
1 pt
A bakery has an order to make 100 cupcakes. The workers can frost and decorate 3 cupcakes per minute. Let x be the number of minutes the workers have been working. Write an inequality that says the number of cupcakes remaining to be decorated is less than 20.
3x-100<20
100+3x<20
100-3x>20
100-3x<20
4. Multiple Choice
2 minutes
1 pt
Solve 3y+(1/2)x+w=0 for y.
y=(1/6)x+(1/3)w
y=-(1/6)x-(1/3)w
y=-(1/5)x+(2/3)w
y=-(3/2)x+6w
5. Multiple Choice
2 minutes
1 pt
√(2y3) + 2y√(8y2) - 5√(8y4)
-3y√(2y)
y√(2y) - 6y2√2
-5y√(2y)
-y√(2y) - 6y2√2
6. Multiple Choice
2 minutes
1 pt
Let x be a nonzero rational number and y be an irrational number. Which of these expressions MUST be a rational number?
y + 0
x + x
x + y
y + y
7. Multiple Choice
2 minutes
1 pt
y > -x+2 y ≤ 2x+5 In which quadrants of the coordinate plane is the shaded region of the system located?
I, II, IV
I, IV
I, II, III, IV
I, II, III
8. Multiple Choice
2 minutes
1 pt
Given the recursive formula of a sequence below, find the explicit formula. a1 = 5 an = an-1 - 2
an = n - 2
an = -2n + 7
an = 2n - 7
an = -2n + 5
9. Multiple Choice
2 minutes
1 pt
Which function has the same y-intercept as the graph?
y = (12-6x) / 4
27 + 3y = 6x
6y + x = 18
y + 3 = 6x
10. Multiple Choice
2 minutes
1 pt
A movie theater uses the function f(t) where t is the number of tickets sold for a movie to model the total amount of money collected for that movie. A reasonable domain would be...
Positive Integers
Positive Real Numbers
Both Positive and Negative Integers
Both Positive and Negative Real Numbers
11. Multiple Choice
2 minutes
1 pt
What is the average rate of change from 0 to 4?
-5.25
5.25
-5.33
5.33
12. Multiple Choice
2 minutes
1 pt
Find the y-intercept of the graph of the linear function that includes the points in the table.
6
5.5
0
0.5
13. Multiple Choice
2 minutes
1 pt
Monica did an experiment to compare two methods of warming an object. The results are shown in the table. Which statement BEST describes her results?
The results of Method 1 will always exceed Method 2.
The results of Method 2 will always exceed Method 1.
The results of Method 1 exceeds Method 2 over the entire interval [0, 5].
The results of Method 2 will exceed Method 1 over the entire interval [5, 10]
14. Multiple Choice
2 minutes
1 pt
On the first hour of his journey, Santa visits 5203 homes. As the night continues, he increases that amount by 6% each hour. Select the equation that would determine the total number of houses Santa visits x hours later.
y = 5203(.06)x
y = 5203(1.06)x
y = 5203(.6)x
y = 5203(1.6)x
15. Multiple Choice
2 minutes
1 pt
Based the tables, what is the solution of the system?
(1, 2)
(-1, -8)
(2, -5)
No Solution
16. Multiple Choice
2 minutes
1 pt
Which inequality is represented in the graph?
y ≥ -3x + 4
y ≤ -3x + 4
y ≥ -4x - 3
y ≤ -4x - 3
17. Multiple Choice
2 minutes
1 pt
If f(18) = 7(18) + 40 which function gives an appropriate representation of f(x)?
f(x) = 7x
f(x) = 18
f(x) = 7x + 40
f(x) = 18x + 40
18. Multiple Choice
2 minutes
1 pt
What is the equation of the horizontal asymptote for the function y = 2(3)x-7 ?
y=2
y=3
y=-1
y=-7
19. Multiple Choice
2 minutes
1 pt
Describe the transformations of the graph of f(x)=3x-2+1 when compared to the graph of its parent function, g(x)=3x?
Translates up 1 and right 2
Translates down 2 and right 1
Translates down 1 and left 2
Translates up 2 and left 1
20. Multiple Choice
2 minutes
1 pt
Find an explicit formula for the sequence -5, -25, -125, -625,...