Box Plots — Cumulative exam Answers

The graph shows the relationship between the price of frozen yogurt and the number of ounces of frozen yogurt sold at different stores and restaurants.

The equation for the line of best fit is f(x) ≈ 1.8x − 5.4 for the set of values in the table.

What is the y-value of the vertex of the function f(x)=−(x+8)(x−14)?

Which is the graph of the function f(x) = x2 + 2x + 3?

Which is a factor of 144 − 49x2?

A group of 120 people were asked whether their income level is above or below $25,000 and whether they subscribe to a movie channel. The data from the survey is shown in the Venn diagram. Use the Venn diagram to find the missing values in the frequency table.

The conditional relative frequency table below was generated by column using data comparing gender and a person's favorite meal to cook.Which would most likely indicate an association between the categorical variables?

The first two steps in determining the solution set of the system of equations, y = –x2 + 4x + 12 and y = –3x + 24, algebraically are shown in the table. Which represents the solution(s) of this system of equations?

The steps in writing f(x)=18x+3x2 in vertex form are shown, but a value is missing in the last step.Write the function in standard form. Factor a out of the first two terms. f(x)=3(x2+6x)Form a perfect square trinomial. f(x)=3(x2+6x+9)−3(9) Write the trinomial as a binomial squared. f(x)=3(x+___)2−27

What is the product?

Which equation, when graphed, has x-intercepts at (8, 0) and (−2, 0) and a y-intercept at (0, −48)?

Arpitha factors out the greatest common factor, 9n, from the terms of the polynomial shown.162m3n4 + 45n= 9n(_______ + 5)

What is the polynomial 3y2 + (y + 7)2 – 15 after it has been fully simplified and written in standard form?

Which expression is equivalent to 64 − 9x2?

A graph shows the horizontal axis numbered 1 to 5 and the vertical axis numbered 1 to 5. Points and a line show a downward trend.

A boy throws a baseball across a field. The ball reaches its maximum height, 18 meters, after 1 second. After approximately 2.3 seconds, the ball lands on the ground. The ball’s motion can be modeled using the function f(x) = –10x2 + 20x + 8. What is the height of the ball 1.5 seconds after it is thrown?

Sari is factoring the polynomial 2x2+5x+3. If one factor is (x+1), what is the other factor?

What values of b satisfy 4(3b + 2)2 = 64?

Armando used algebra tiles to represent the product .

The image shows a geometric representation of the function f(x) = x2 + 2x + 3 written in standard form.