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Biblioteka

2nd 9 weeks Midterm

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Posljednje ažuriranje 4 months ago
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Pitanje 1
1.

Ms. Gregson noted the resting heart rates of her students after gym class. 85, 68, 76, 73, 81, 80, 65, 67, 82, 79, 67, 78, 68, 83, 71, 82, 70, 80, 75, 69 Which box plot models the resting heart rates of Ms. Gregson’s students?

Pitanje 2
2.

27. A driver knows a car can be driven for 26.3 miles using 1 gallon of gas. If the car uses a total of 2.5 gallons, which statement is true?

Pitanje 3
3.

A function is defined by the equation $f(x) = -3x + 2$. What is the average rate of change for the function on the interval from $x = -2$ to $x = 2$?

Pitanje 4
4.


What is the average rate of change of the function from $x = 1$ to $x = 3$?

Pitanje 5
5.

The graph of the function, f(x), models the gallons of fuel, in thousands, remaining in a tanker truck x minutes after it starts filling buses with fuel.

What is the most reasonable domain for the graph of the function?

Pitanje 6
6.

Mr. Ramirez writes the equation shown. He asks four students to solve the equation for y.

The table shows the students’ responses.

Which student responds to Mr. Ramirez’s question correctly?

Pitanje 7
7.

Mrs. Robinson keeps a record of the test scores in her class. The data can be categorized in a table as shown.

What percent of students who scored a 70 or above are boys?

Pitanje 8
8.

The box plots show the scores of two groups of students on a recent grammar quiz.

Which statement is correct?

Pitanje 9
9.

Consider the linear function shown.

Which statement(s) is (are) true? Select ALL that apply.

Pitanje 10
10.

A crane lifts construction materials from a palette to the top of a building at a constant rate. If the equation $y = 4x + 3$ models the height of the materials, y, in feet, after x seconds of lifting, which statement is true?

Pitanje 11
11.

A student is solving the equation, as shown.
$7(x + 2) - 5(2x + 1) = 0$
$7x + 14 - 10x - 5 = 0$
$-3x + 9 = 0$
Which could be the next step to solve the equation correctly, and why?

Pitanje 12
12.

The table shows a student’s solution to the equation
.

Which statement is true?

Pitanje 13
13.

A gym member purchases a prepaid fitness card. The expression

represents the amount of money left on the card after attending x fitness classes.

Which statement is true?

Pitanje 14
14.

The expression $0.80(x - 15)$ represents the total cost, in dollars, that a customer pays for groceries after a store discount is applied and a coupon for 20% off is used, where $x$ is the original cost of the groceries. What does the −15 represent?

Pitanje 15
15.

Right triangle with sides labeled 6x - 3, 7x + 2, 5x + 6, and altitude labeled 4x + 4. Which expression represents the area of the triangle?

Pitanje 16
16.

Which expressions are equivalent to $49x^2 - 64$? Select ALL that apply.

Pitanje 17
17.

A customer orders b burgers and f fries for a total of $240 from a local café. If each burger costs $8, and each order of fries costs $4, which equation represents the total cost of the customer’s order?

Pitanje 18
18.

The linear equation shown in the box is graphed on a coordinate plane.

Graph of the equation y = 2x - 3, showing a straight line with a positive slope intersecting the y-axis at -3 on a coordinate grid.

Which coordinate represents a solution to this equation, and why?

Pitanje 19
19.

An equation is graphed on the coordinate plane.

Graph showing a line passing through points (-5,-1), (0,0), and (5,1) on a coordinate plane.

Which equation matches the graph?

Pitanje 20
20.

A relation is defined by the coordinates shown.

$\{(-5, -5), (-3, -7), (-1, -2), (-1, 0), (1, 0), (3, 7), (5, 7)\}$

Removing which coordinates will make the relation a function?