Q 1/54
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Which situation can be represented by y = 12x − 4?
29
The number of inches, y, in an x-foot-tall tree after cutting off 4 feet.
The number of eggs, y, in x dozen eggs for sale after 4 dozen eggs are sold.
The cost, y, of buying x movie tickets that sell for $8 each.
The cost, y, after a $4 discount, of buying x T-shirts that sell for $12 each

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Q1
Which situation can be represented by y = 12x − 4?
The number of inches, y, in an x-foot-tall tree after cutting off 4 feet.
The number of eggs, y, in x dozen eggs for sale after 4 dozen eggs are sold.
The cost, y, of buying x movie tickets that sell for $8 each.
The cost, y, after a $4 discount, of buying x T-shirts that sell for $12 each
60s
A.5.C: Systems Of Linear Equations
Q2
The scatterplot shows the number of free throws that different basketball players attempted and the number that each player made. Based on the trend in the data, approximately how many free throws would a player be expected to make if he attempted 60 free throws?
60
35
25
50
60s
A.2.D: Direct Variation
Q3
60s
A.6.A: Quadratic Functions Using Inequalities
Q4
A teacher will determine the total number of books to order for a class using the function b(n) = 4n, where n represents the number of students in the class. What is the independent quantity in this situation?
The total number of books to order.
The number of students in the class.
The number of books each student needs.
Not here.
60s
A.1.A: Everyday Problems
Q5
The graph of quadratic function g is shown below. Based on the graph, between which two values of x is a zero of g located?
1 and 2
-7 and -5
4 and 5
-9 and -8
60s
A.10.B: Multiply Polynomials
Q6
A college student needs 11 classes that are worth a total of 40 credits in order to complete her degree. The college offers both 4-credit classes and 3-credit classes. Which system of equations can be used to determine f, the number of 4-credit classes the student can take to complete her degree, and h, the number of 3-credit classes?
60s
A.8.A: Quadratic Equations
Q7
The graph shows the time it took a worker to package 16 bottles of shampoo. The next day two workers packaged twice the number of bottles of shampoo in the same amount of time. If this new relationship is graphed on the same coordinate grid, which statement is true?
The new graph would have a y-intercept at 8.
The new graph would be steeper than the original graph.
The new graph would have a y-intercept at 80.
The new graph would be less steep than the original graph.
60s
A.6.C: Quadratic Functions Solutions & Graphs
Q8
The side lengths of the figure below are given in centimeters. If the perimeter of this figure is 78 cm, what is the value of x?
-6
6
12
-12
60s
A.4.A: Quantitative Variables
Q9
One type of redwood tree has an average height of 65 feet when it is 20 years old. If the tree is more than 20 years old, the average height, h, can be modeled by the function h = 1.95(a − 20) + 65, where a is the age of the tree in years. Which statement about this situation is true?
For this type of redwood tree, the average height increases by 65 ft for every 20 years of growth.
Each additional year of age over 20 years adds 1.95 ft to the average height of this type of redwood tree.
Every additional 1.95 ft of length over 20 ft adds 45 years to the age of this type of redwood tree.
For this type of redwood tree, the average height increases by 1.95 ft per year throughout its lifetime.
60s
A.1.E: Mathematical Ideas
Q10
The mapping below represents all of the points on the graph of function f. What is the domain of f?
{−5, 0, 1, 2, 4}
{−4, −1, 0, 2, 7}
{5}
{−5, −4, −1, 0, 1, 2, 4, 7}
60s
A.2.B: Linear Equations (1)
Q11
60s
A.8.B: Solve & Predict Quadratic Functions
Q12
The length, in feet, of a small train at an amusement park can be modeled by the function f(c) = 9c + 14, where c is the number of passenger cars attached to the locomotive. The original passenger cars were replaced, and the length of the train is now modeled by the function h(c) = 12c + 14. Based on this information, which statement describes the change in this situation?
Each passenger car is now 9 feet long, and the length of the locomotive remained the same.
The locomotive is now 12 feet long, and the length of each passenger car remained the same.
The locomotive is now 9 feet long, and the length of each passenger car remained the same.
Each passenger car is now 12 feet long, and the length of the locomotive remained the same.
60s
A.12.B: Evaluate Functions
Q13
The table of values for quadratic function g is shown below. If 1 is a solution to g(x) = 0, what is the other solution?
-1
6
3
-2
60s
A.10.A: Add & Subtract Polynomials
Q14
A student bought concert tickets online. The total cost, c, in dollars, of t tickets can be found using the function below. c = 24.50t + 9.50 If the student spent a total of $83 on tickets, how many tickets did he buy?
Users enter free text
Type an Answer
60s
A.7.B: Linear Factors Of Quadratic Expressions
Q15
Which graph represents the inequality −2x + 3y > 12?
60s
A.1.D: Mathematical Communications