The graph of a linear function is shown on the grid. What are the x-intercepts and y-intercepts of the line?

x-intercept: (-2, 0) y-intercept: (0, 8)

x-intercept: (8, 0) y-intercept: (0, -2)

x-intercept: (-2, 0) y-intercept: (0, 4)

x-intercept: (4, 0) y-intercept: (0, 8)

The table shows the number of species added to the United States endangered species list each year for several years. A linear function can be used to model the data. Which correlation best describes the strength of the linear association between the number of species added to the United States endangered species list and and the year?

Weak negative correlation, because $$r\approx-0.09$$ .

Weak negative correlation, because $$r\approx-0.91$$ .

Strong negative correlation, because $$r\approx-0.91$$ .

Strong negative correlation, because $$r\approx-0.09$$ .

Which statement about this graph appears to be true?

The equation of the axis of symmetry is x=1.

The maximum value of the function is 3.

The vertex of the graph of the function is (4, 1).

The function $$w\left(t\right)=270\left(1.029\right)^t$$ can be used to estimate the number of whales in the North Atlantic Ocean at the end of t years. What does 1.029 represent in this function?

The growth factor of the number of whales in the North Atlantic Ocean.

The initial number of whales in the North Atlantic Ocean.

The decay factor of the number of whales in the North Atlantic Ocean.

The number of whales in the North Atlantic Ocean at the end of the first year.

A customer purchases an electronic device for $650. Each year the value of the electronic device decreases by 30%. Which statement is true about the graph that represents the relationship between the value of the device in dollars, y , and the number of years, x , since the device was purchased.

The y-intercept of the device is 650.

The y-intercept of the device is 455.

The graph has a vertical asymptote at x=0.

The graph has a horizontal asymptote at y=30.

Which statement about the function $$n\left(x\right)=5x^2-20x+12$$ is true?

The range of the function is $$n\left(x\right)\ge-8$$

The domain of the function is $$x\ge2$$ .

The domain of the function is $$x\ge0$$ .

The range of the function is $$n\left(x\right)\le12$$ .

Which statement about $$f\left(x\right)=4x^2-36x+81$$ is true?

The only zero is $$\frac{9}{2}$$ because $$f\left(x\right)=\left(2x-9\right)^2$$ .

The zeros are $$\frac{3}{4}$$ and $$-27$$ because $$f\left(x\right)=\left(4x-3\right)\left(x-27\right)$$ .

The zeros are $$-\frac{3}{2}$$ and $$\frac{27}{2}$$ because $$f\left(x\right)=\left(2x+3\right)\left(2x+27\right)$$ .

The zeros are $$\pm\frac{9}{2}$$ because $$f\left(x\right)=\left(2x-9\right)\left(2x+9\right)$$ .

Which statement about $$p\left(x\right)=-7\left(4\right)^x$$ is true?

The range is all real numbers less than 0.

The domain is all real numbers greater than or equal to 4.

The domain is all real numbers less than or equal to 0.

2023 Algebra 1 STAAR

Authored by Tiffany Moncrieffe

Mathematics

9th Grade

CCSS covered

Used 16+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

DRAG AND DROP QUESTION

1 min • 1 pt

A part of a linear function is shown on the grid. The range is the set of all real numbers (a) and (b) .

greater than -4

less than or equal to 2

greater than or equal to -4

less than 2

greater than or equal to -2

less than or equal to 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Copy paper costs $2.99 per ream. The company that sells the paper charges a flat shipping fee of $20.95, no matter the number of reams purchased in a single order. Which linear function models the total cost, t, for a single order of r reams of paper?

Tags

CCSS.HSF-BF.A.1A

DROPDOWN QUESTION

3 mins • 1 pt

A line is graphd on the coordinate grid. Write a true statement about this line. The equation of the line is (a) and the slope is (b) .

x=-4

undefined

y=-4

zero

x=0

x=undefined

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.8.EE.B.5

DRAG AND DROP QUESTION

3 mins • 1 pt

The water level in a tank is changing at a constant rate. Complete the statement below that describes the rate of change of the water level, y, with respect to time, x. The water level (a) at a rate of (b) m/h.

decreases

0.25

increases

Tags

CCSS.HSF.IF.B.4

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2023 Algebra 1 STAAR

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

A part of a linear function is shown on the grid. The range is the set of all real numbers (a) and (b) .

Copy paper costs $2.99 per ream. The company that sells the paper charges a flat shipping fee of $20.95, no matter the number of reams purchased in a single order. Which linear function models the total cost, t, for a single order of r reams of paper?

A line is graphd on the coordinate grid. Write a true statement about this line. The equation of the line is (a) and the slope is (b) .

The water level in a tank is changing at a constant rate. Complete the statement below that describes the rate of change of the water level, y, with respect to time, x. The water level (a) at a rate of (b) m/h.

The graph of a linear function, f, is shown. What is the zero of the function?

The graph of a linear function is shown on the grid.
What are the x-intercepts and y-intercepts of the line?

The table shows the number of customers each hour for an online sale. Which function best models the data in the table?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

2023 Algebra 1 STAAR

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

A part of a linear function is shown on the grid. The range is the set of all real numbers ​ (a) and ​ (b) .

Copy paper costs $2.99 per ream. The company that sells the paper charges a flat shipping fee of $20.95, no matter the number of reams purchased in a single order. Which linear function models the total cost, t, for a single order of r reams of paper?

A line is graphd on the coordinate grid. Write a true statement about this line. The equation of the line is (a) and the slope is ​ (b) .

The water level in a tank is changing at a constant rate. Complete the statement below that describes the rate of change of the water level, y, with respect to time, x. The water level ​ (a) at a rate of ​ (b) m/h.

The graph of a linear function, f, is shown. What is the zero of the function?

The graph of a linear function is shown on the grid.What are the x-intercepts and y-intercepts of the line?

The table shows the number of customers each hour for an online sale. Which function best models the data in the table?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

A part of a linear function is shown on the grid. The range is the set of all real numbers (a) and (b) .

A line is graphd on the coordinate grid. Write a true statement about this line. The equation of the line is (a) and the slope is (b) .

The water level in a tank is changing at a constant rate. Complete the statement below that describes the rate of change of the water level, y, with respect to time, x. The water level (a) at a rate of (b) m/h.

The graph of a linear function is shown on the grid.
What are the x-intercepts and y-intercepts of the line?