2022 Released Algebra 1 STAAR (Questions 10-18)

10. Which expression is equivalent to (n − 4)(2n + 7)?

• F. 3n + 3

• G. n - 28

• H. 2n² - 15n - 28

• J. 2n² - n - 28

Tags

CCSS.HSA.APR.A.1

11. Which situation shows causation?

• A. When the number of people in a bus increases, the number of

  animals in a zoo also increases.

• B. When the number of hours worked each week by an hourly

  employee decreases, the amount of money earned by the

  employee also decreases.

• C. When the amount of a discount for a sale increases, the number

  of items sold during the sale decreases.

• D. When the number of bike trails in a city decreases, the amount

  of rainfall in the city increases.

Tags

CCSS.HSS.ID.C.9

12. 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?

Tags

CCSS.8.EE.C.8B

13. Which answer choice describes how the graph of f(x) = x² was

transformed to create the graph of n(x) = x² − 1?

• A. A vertical shift up

• B. A horizontal shift to the left

• C. A vertical shift down

• D. A horizontal shift to the right

14. The expression d² − d − 6 can be written in factored form as

(d + 2)(d + k), where k represents a number. What is the value of k?

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

Which equation is best represented by this graph?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

• F. c⁴d⁴

• G. c⁴d¹⁸

• H. c⁶d⁹

• J. c⁶d¹⁸

17. Which value of x is the solution to this equation?

5x² = 30x − 45

• A. x = 3

• B. x = −3

• C. x = 5

• D. x = −5

Tags

CCSS.HSA-REI.B.4B

18. A florist is making bouquets of flowers for a wedding. Each bouquet

will have 9 flowers. The graph shows the linear relationship between

y, the number of flowers used, and x, the number of bouquets.

The florist will use no more than 8 bouquets for the wedding. Which

set best represents the domain of the function for this situation?

• F. {0, 2, 4, 6, 8, 10}

• G. {0, 1, 2, 3, 4, 5, 6, 7, 8}

• H. {0, 18, 36, 54, 72, 90}

• J. {0, 9, 18, 27, 36, 45, 54, 63, 72}