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Biblioteka

Linear Functions STAAR Released Items

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Posljednje ažuriranje about 1 year ago
39

https://www.desmos.com/testing/texas/graphing

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Pitanje 1
1.

Two points are plotted on the grid.

Which equation in slope-intercept form best represents the line that passes through these two points?

Pitanje 2
2.

What is the equation in slope-intercept form of the line that passes through the points (-26, -11) and (39, 34)?

Pitanje 3
3.

The graph of a linear function is shown.

Which function best represents the relationship shown in the graph?

Pitanje 4
4.

The total cost, y, for x tickets to a concert includes a flat fee for processing and a cost per ticket. One customer purchased 4 tickets for a total cost of $160. Another customer purchased 8 tickets for a total cost of $300.

Which linear equation represents the total cost in dollars, y, for x tickets?

Pitanje 5
5.

The table represents some points on the graph of a linear function.

Which function represents this relationship?

Pitanje 6
6.

Printer ink costs $18.99 per cartridge. The company that sells the ink cartridges charges a flat rate shipping fee of $7.95, no matter the number of cartridges purchased in a single order. Which linear function models the total cost, t, for a single order of c cartridges?

Pitanje 7
7.

The graph of a linear function is shown on the grid.

Which equation is best represented by this graph?

Pitanje 8
8.

The conversion of degrees Celsius to degrees Fahrenheit can be represented by a linear relationship. The graph shows the linear relationship between y, the temperature in degrees Fahrenheit, and x, the temperature in degrees Celsius from the freezing point of water.

Which equation best represents this situation?

Pitanje 9
9.

The graph of a linear function is shown on the grid.

Which function is best represented by this graph?

Pitanje 10
10.

The table represents some points on the graph of linear function f.

Which function represents f?

Pitanje 11
11.

A line contains the points (-2, -2) and (4, 2).

What is the slope of the line?

Pitanje 12
12.

The graph of a line passes through the points (-3,1) and (5,8).

What is the slope of the line?

Pitanje 13
13.

The table of values shows a linear relationship between x and y.

What is the slope of the line represented by the table of values?

Pitanje 14
14.

The graph of a line is represented by the equation 5x - 8y = 40. Which value represents the rate of change of y with respect to x for the equation?

Pitanje 15
15.
Pitanje 16
16.
Drugi mogući odgovor:
1
4
increases
decreases
0.25
Pitanje 17
17.

A construction worker built steps up to a home. The table shows the linear relationship between the height off the ground in inches and the number of steps.

What is the rate of change of height off the ground with respect to the number of steps?

Pitanje 18
18.

A worker is packing items in boxes. The table shows the linear relationship between the number of items the worker has packed in boxes after different amounts of time.

Which statement describes the rate of change of the number of items the worker packed in boxes with respect to the number of minutes the worker has been packing items in boxes?

Pitanje 19
19.

The graph of a line is shown on the grid. The coordinates of both points indicated on the graph of the line are integers.

What is the rate of change of y with respect to x for this line?

Pitanje 20
20.

The table shows the linear relationship between the distance in feet below sea level and the time in seconds traveled by a submarine.

What is the rate of change of the distance in feet below sea level with respect to time that the submarine traveled?

Pitanje 21
21.

The values in the table represent a linear relationship between x and y.

What is the rate of change of y with respect to x?

Pitanje 22
22.

The graph of a linear function is shown on the grid.

What is the rate of change of y with respect to x for this function?

Pitanje 23
23.

A contractor’s total earnings from a job include a fixed amount plus an amount based on the number of hours worked. The values in the table represent the linear relationship between the number of hours worked and the contractor’s total earnings in dollars.

What is the rate of change of the contractor’s total earnings in dollars with respect to the number of hours worked?

Pitanje 24
24.

Graph the line represented by the equation 2x + 3y = 6.

Select two points on the coordinate grid. A line will connect the points.

  • Kliknite na karticu Grafikon (Grafikon 1, Grafikon 2 i tako dalje) za svaki grafikon koji trebate nacrtati.
  • Kliknite na pozadinu grafikona da biste dodali tačku. Dodajte dvije tačke da biste kreirali grafikon. Prevucite tačku ili unesite x i y koordinate da biste uredili njen položaj. Kliknite na tačku da biste je izbrisali.
  • Nakon što kreirate grafikon, možete označiti kućicu s isprekidanom linijom.
Pitanje 25
25.

The graph of a linear function is shown on the grid.

What value best represents the y-intercept of the line?

Pitanje 26
26.

The graph of a linear function, f, is shown.

What is the zero of f?

Pitanje 27
27.

The graph of a linear function is shown on the grid.

What are the x-intercept and the y-intercept of the line?

Pitanje 28
28.

Which graph best represents y = -4(x + 3) - 2?

Pitanje 29
29.

Linear function k has a zero of -2 and a y-intercept of 6. Which graph best represents k?

Pitanje 30
30.

The graph of linear function g passes through the points (-7, -4) and (7, 6), as shown.

What are the slope and y-intercept of the graph of g?

Pitanje 31
31.

Linear function t has an x-intercept of -1 and a y-intercept of 5. Which graph best represents t?

Pitanje 32
32.

The graph models the linear relationship between the number of monthly payments made on a loan and the remaining balance in dollars left to pay on the loan.

Which statement describes the x-intercept of the graph?

Pitanje 33
33.
Drugi mogući odgovor:
=
7
100
<
>
17
10
Pitanje 34
34.

A university will spend at most $4,500 to buy monitors and keyboards for a computer lab. Each monitor will cost $250, and each keyboard will cost $50.

Which inequality represents all possible combinations of x, the number of monitors, and y, the number of keyboards, the university can buy for the computer lab?

Pitanje 35
35.

Which inequality is best represented by the graph?

Pitanje 36
36.

Which ordered pair is in the solution set of y \leq \frac{3}{5}x - 6?

Pitanje 37
37.

A customer is buying bath towels and hand towels and can spend no more than $100. Each bath towel costs $8, and each hand towel costs $5. The inequality 8x + 5y \leq 100 represents all possible combinations of x, the number of bath towels, and y, the number of hand towels the customer can buy.

Which graph best represents the solution set for this inequality?

Pitanje 38
38.

The graph of y = -\frac{1}{6}x - 4 is shown on the grid.

Which ordered pair is in the solution set of y > -\frac{1}{6}x - 4?

Pitanje 39
39.

Which ordered pair is in the solution set of 8x + 16y > 32?