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 $$\pm\frac{9}{2}$$ and because $$f\left(x\right)=\left(2x-9\right)\left(2x+9\right)$$

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

The range is all real numbers less than zero.

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

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

Which statement appears to be true?

The equation of the axis of symmetry of the graph of the function is $$x=1$$

The maximum value of the function is 3.

The vertex of the graph of the function is $$\left(4,\ 1\right)$$ .

Which statement about the line is true?

The equation of the line is $$x=-4$$ , and the slope is undefined.

The equation of the line is $$y=-4$$ , and the slope is equal to $$-4$$ .

The equation of the line is $$x=-4$$ , and the slope is equal to $$-4$$ .

The equation of the line is $$y=-4$$ , and the slope is undefined.

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 whales in the North Atlantic Ocean

The initial number of whales in the North Atlantic Ocean

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

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

What is the range of $$g$$ ?

All real numbers less than or equal to $$\frac{19}{4}$$

All real numbers less than or equal to $$\frac{3}{2}$$

All real numbers greater than or equal to $$\frac{3}{2}$$

All real numbers greater than or equal to $$\frac{19}{4}$$

Function $$k$$ is defined as $$k\left(x\right)=x^2+32x+248$$ . What are the solutions to $$k\left(x\right)=0$$ ?

$$x=-16+2\ \sqrt[]{2}$$ and $$x=-16-2\ \sqrt[]{2}$$

$$x=16+2\ \sqrt[]{2}$$ and $$x=16-2\ \sqrt[]{2}$$

$$x=-32+4\ \sqrt[]{2}$$ and $$x=-32-4\ \sqrt[]{2}$$

$$x=32+4\ \sqrt[]{2}$$ and $$x=32-4\ \sqrt[]{2}$$

A customer purchased 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 graph is 650.

The y-intercept of the graph is 455.

The graph has a vertical asymptote at $$x=0$$ .

The graph has a horizontal asymptote at $$y=30$$ .

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

x-intercept $$\left(-2,\ 0\right)$$ y-intercept $$\left(0,8\right)$$

x-intercept $$\left(8,\ 0\right)$$ y-intercept $$\left(0,-2\right)$$

x-intercept $$\left(-2,\ 0\right)$$ y-intercept $$\left(0,4\right)$$

x-intercept $$\left(4,\ 0\right)$$ y-intercept $$\left(0,8\right)$$

Algebra 1 STAAR 2023 Released

Authored by Jeff Da Moude

Mathematics

9th - 12th Grade

CCSS covered

Used 2+ times

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51 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

DRAG AND DROP QUESTION

1 min • 2 pts

Move the correct answers to each box. Not all the answers will be used.
The water level (a) at a rate of (b) m/h.

decreases

.25

increases

Tags

CCSS.HSF.IF.B.4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSF-IF.C.7A

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.8.EE.C.7B

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSA.APR.B.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The table shows the number of species added to the United States endangered species list for 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 the year.

DROPDOWN QUESTION

1 min • 2 pts

What is the range of the part of the linear function shown?
Choose the correct answer from each drop-down menu to complete the sentence.
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 3

greater than or equal to -2

less than or equal to 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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Algebra 1 STAAR 2023 Released

Move the correct answers to each box. Not all the answers will be used.The water level ​ (a) at a rate of ​ (b) m/h.

What is the range of the part of the linear function shown?Choose the correct answer from each drop-down menu to complete the sentence.The range is the set of all real numbers ​ (a) and ​ (b) .

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Discover more resources for Mathematics

Move the correct answers to each box. Not all the answers will be used.
The water level (a) at a rate of (b) m/h.

What is the range of the part of the linear function shown?
Choose the correct answer from each drop-down menu to complete the sentence.
The range is the set of all real numbers (a) and (b) .