(2023.8) 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 zeroes are $$\frac{3}{4}$$ and $$-27$$ because $$f\left(x\right)=\left(4x-3\right)\left(x-27\right)$$ .

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

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

(2023.11) 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 $$n\left(x\right)\le12$$ .

(2023.18) 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 for equal to 4.

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

(2023.19) The graph of a quadratic function is shown on the grid. 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 $$\left(4,\ 1\right)$$ .

(2023.21) A line is graphed on a coordinate grid. 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.

(2023.27) 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 the 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 year.

(2023.32) The table represents some points on the graph of quadratic function $$g$$ . 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 $$\frac{19}{4}$$ .

(2023.41) 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 $$x=32-4\sqrt{2}$$

(2023.42) 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 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 $$y=30$$ .

(2023.48) The graph of a linear function is shown on a grid. What are the x-intercept and the 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: $$\left(0,\ 8\right)$$

(2022.1) The graph of quadratic function $$r$$ is shown on the grid. Which answer choice best represents the intercepts of the graph of $$r$$ ?

x-intercepts: (-10, 0) and (2, 0) y-intercept: (0, -5)

x-intercept: (5, 0) y-intercepts: (0, 10) and (0, -2)

x-intercepts: (0, -10) and (0, 2) y-intercept: (-5, 0)

x-intercept: (0, 5) y-intercepts: (10, 0) and (-2, 0)

(2022.2) 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?

The worker packed 4 items in boxes per minute.

The worker packed 8 items in boxes per minute.

The worker packed 37 items in boxes per minute.

The worker packed 15 items in boxes per minute.

(2022.5) What is the solution to this system of equations? $$2x+y=40$$ $$x-2y=-20$$

There are an infinite number of solutions.

(2022.11) Which situation shows causation?

When the number of hours worked each week by an hourly employee decreases, the amount of money earned by the employee also decreases.

When the number of people in a bus increases, the number of animals in the zoo also increases.

When the amount of a discount for a sale increases, the number of items sold for the sale decreases.

When the number of bike trails in a city decreases, the amount of rainfall in the city increases.

(2022.13) Which answer choice describes how the graph of $$f\left(x\right)=x^2$$ was transformed to create the graph of $$n\left(x\right)=x^2-1$$ ?

A horizontal shift to the left.

A horizontal shift to the right.

ALG1 STAAR Prep

Authored by David Watson

Mathematics

9th - 12th Grade

CCSS covered

Used 23+ times

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77 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(2023.1) The table represents some points on the graph of a linear functions.
Which function represents this relationship?

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

DRAG AND DROP QUESTION

2 mins • 1 pt

(2023.2) 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. Complete the statement that describes the rate of change of the water level with respect to time.
Move the correct answer to each box. Not all answers will be used.
The water level (a) at a rate of (b) m/h.

decreases

0.25

increases

Tags

CCSS.HSF.IF.B.4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(2023.3) The graph of quadratic function h is shown.
Which function best represents h?

Tags

CCSS.HSF-IF.C.7A

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(2023.4) A rectangle has a length of (5 + 2x) inches and a width of 10 inches. A triangle has a base of 30 inches and a height of (4x - 10) inches. The area in square inches of the rectangle is equal to the area in square inches of the triangle.
What is the value of x?

2.5

7.5

Tags

CCSS.8.EE.C.7B

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tags

CCSS.HSA.APR.B.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(2023.6) 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 the year?

Tags

CCSS.HSS.ID.C.8

DROPDOWN QUESTION

2 mins • 1 pt

(2023.7) A part of a lienar function is shown on the grid.
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

less than or equal to 3

less than 2

less than 3

greater than or equal to -4

greater than or equal to -2

greater than -2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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ALG1 STAAR Prep

(2023.1) The table represents some points on the graph of a linear functions.Which function represents this relationship?

(2023.3) The graph of quadratic function h is shown.Which function best represents h?

(2023.4) A rectangle has a length of (5 + 2x) inches and a width of 10 inches. A triangle has a base of 30 inches and a height of (4x - 10) inches. The area in square inches of the rectangle is equal to the area in square inches of the triangle. What is the value of x?

(2023.7) A part of a lienar function is shown on the grid.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

(2023.1) The table represents some points on the graph of a linear functions.
Which function represents this relationship?

(2023.3) The graph of quadratic function h is shown.
Which function best represents h?

(2023.4) A rectangle has a length of (5 + 2x) inches and a width of 10 inches. A triangle has a base of 30 inches and a height of (4x - 10) inches. The area in square inches of the rectangle is equal to the area in square inches of the triangle.
What is the value of x?

(2023.7) A part of a lienar function is shown on the grid.
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) .