Quiz about Desmos Day STAAR Review

Question 1

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?

Accepted Answer

-0.2

Answer

0.2

Answer

-0.8

Answer

3

Question 2

The table shows a linear relationship between x and y. What is the rate of change of y with respect to x?

Accepted Answer

-9/2

Answer

2/9

Answer

-2/9

Answer

9/2

Question 3

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

Accepted Answer

y = -10/3x - 2/3

Answer

y = -2/3x - 11/3

Answer

y = -11/3x - 2/3

Answer

y = -2/3x - 10/3

Question 4

Which function best represents the relationship shown in the graph?

Accepted Answer

y = -5/3x - 5

Answer

y = -3/5x - 5

Answer

y = -3/5x - 3

Answer

y = -5/3x - 3

Question 5

The table represents some points on the graph of a linear function. Which function represents this relationship?

Accepted Answer

y = -3/2x + 4

Answer

y = -3/2x - 14

Answer

y = -2/3x - 9

Answer

y = -2/3x - 1

Question 6

The graph of a linear function is shown on the grid. Which equation is best represented by this graph?

Accepted Answer

y = -7/4x + 7

Answer

y = -7/4x + 4

Answer

y = -4/7x + 4

Answer

y = -4/7x + 7

Question 7

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?

Accepted Answer

y = (9/5)x + 32

Answer

y = (5/9)x

Answer

y = (9/5)x

Answer

y = (5/9)x + 32

Question 8

Which equation best represents the point-slope form of the line that passes through point W and is parallel to line p?

Accepted Answer

y - 5 = 4/5(x - 1)

Answer

y - 5 = -4/5(x - 1)

Answer

y - 5 = -5/4(x - 1)

Answer

y - 5 = 5/4(x - 1)

Question 9

The graph shows point P and line m. Which equation best represents the slope-intercept form of the line that passes through point P and is parallel to line m?

Accepted Answer

y = (3/2)x + 5

Answer

y = (3/2)x - 5

Answer

y = -(2/3)x + 2/3

Answer

y = -(2/3)x - 2/3

Question 10

A line contains the points (-2, -2) and (4, 2). What is the slope of the line?

Accepted Answer

2/3

Answer

-2/3

Answer

3/2

Answer

-3/2

Question 11

The altitude of an airplane is changing at a constant rate. The table shows the linear relationship between y, the altitude of the airplane in feet, and x, the time in minutes. The altitude of the airplane ______ at a rate of ______ feet per minute.

Accepted Answer

decreases, 3,000

Answer

increases, 2,000

Answer

decreases, 1,500

Answer

increases, 1,500

Question 12

The water level in a tank is changing at a constant rate. The graph shows the relationship between time in hours, x, and the water level in meters, y. What is the rate of change for this function?

Accepted Answer

-0.25

Answer

0.25

Answer

1

Answer

4

Question 13

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?

Accepted Answer

7 in. per step

Answer

14 in. per step

Answer

1/7 in. per step

Answer

1/14 in. per step

Question 14

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?

Accepted Answer

The worker packed 4 items in boxes per minute.

Answer

The worker packed 8 items in boxes per minute.

Answer

The worker packed 37 items in boxes per minute.

Answer

The worker packed 15 items in boxes per minute.

Question 15

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?

Accepted Answer

-5/6

Answer

5/2

Answer

-6/5

Answer

2/3

Question 16

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

Accepted Answer

8

Answer

-8

Answer

460

Answer

18

Question 17

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

Accepted Answer

Question 18

Question 18.

Accepted Answer

wider, 3 units above

Answer

wider, 3 units below

Answer

more narrow, 3 units above

Answer

more narrow, 3 units below

Question 19

The graph of the function f(x) = x is transformed to form function g(x) such that g(x) = 3f(x). Which graph represents f and g?

Accepted Answer

Question 20

Based on the correlation coefficient for the data, what type of linear association exists between hours worked and overall grade average?

Accepted Answer

Strong negative

Answer

Weak negative

Answer

Weak positive

Answer

Strong positive

Question 21

Which function best models the data in the table?

Accepted Answer

f(x) = 337 - 41x

Answer

f(x) = 296 - 41x

Answer

f(x) = 317 - 38x

Answer

f(x) = 296 - 38x

Question 22

A construction manager is monitoring the progress of the build of a new house. The scatterplot and table show the number of months since the start of the build and the percentage of the house still left to build. A linear function can be used to model this relationship.

Which function best models the data?

Accepted Answer

y = -13.5x + 97.8

Answer

y = -13.5x + 7.3

Answer

y = 97.8x - 13.5

Answer

y = 7.3x - 97.8

Question 23

What value of m makes the equation (2/3)(m - 9) = (1/3)(m - 27) true?

Accepted Answer

-9

Answer

-3

Answer

-1

Answer

-6

Question 24

What is the solution to the equation 7w - 2(w - 9) = 4 - 8(w + 2)?

Accepted Answer

w = -30/13

Answer

w = -26/9

Answer

w = -10/9

Answer

w = 15/13

Question 25

What is the solution to the equation 5(2w + 4) = 4(2w + 9)?

Accepted Answer

w = 8

Answer

w = 5/2

Answer

w = 28/9

Answer

w = 5

Question 26

What is the solution to 4(q + 56.5) = 30q - 112? Record your answer and fill in the bubbles on your answer document.

Accepted Answer

q = 13

Answer

q = 8

Answer

q = 4

Answer

q = -8

Question 27

What is the solution to this equation? 2(40 - 5y) = 10y + 5(1 - y)

Accepted Answer

5

Answer

7.5

Answer

15

Answer

Not here

Question 28

A function is shown. g(x) = 6(2x + 7) What is the value of g(20)?

Accepted Answer

B. 282

Answer

A. 167

Answer

C. 324

Answer

D. 247

Question 29

A function is shown.

f(x) = 7 - 4x

What is the value of f(-5)?

Accepted Answer

27

Answer

-13

Answer

-15

Answer

140

Question 30

The first five terms of a sequence are a1 = 47, a2 = 33, a3 = 19, a4 = 5, and a5 = -9.

Based on this information, which equation can be used to find the nth term of a sequence?

Accepted Answer

an = -14n + 41

Answer

an = 47n - 14

Answer

an = 19 + 14(n - 1)

Answer

an = 33 - 14(n - 1)

Question 31

Question 31.

Accepted Answer

Question 32

A system of linear equations is represented by line h and line j. A table representing some points on line h and the graph of line j are shown. Which system of equations is best represented by lines h and j?

Accepted Answer

Question 33

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

Accepted Answer

(5, -4)

Answer

(-2, -5)

Answer

(9, 1)

Answer

(-8, 3)

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