2022 Released Algebra 1 STAAR (Questions 37-45)

• A. (−8, 8)

• B. (6, −5)

• C. (4, −6)

• D. (−2, −7)

38. 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?

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CCSS.8.EE.B.5

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CCSS.HSA.REI.D.12

40. Which graph best represents h(x) = (x + 1)(x − 3)?

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CCSS.HSF-IF.C.7A

41. The first six terms in a geometric sequence are shown, where a₁ = −4.

−4 −16 −64 −256 −1,024 −4,096 . . .

Based on this information, which equation can be used to find the nth

term in the sequence, a_n?

• A. a_n = −4n

• B. a_n = −(4)ⁿ

• C. a_n = −n²

• a_n = (−4)ⁿ

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CCSS.HSF.BF.A.2

42. What is the solution to 4(q + 56.5) = 30q − 112?

43. Which expression is equivalent to 36m² − 100?

• A. (9m − 20)(4m + 5)

• B. 4(3m − 5)(3m + 5)

• C. 2(2m − 5)(9m + 10)

• D. 4(3m − 5)²

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CCSS.HSA.APR.C.4

44. The table shows the net revenue in millions of dollars of a company

every three months for two years. An exponential function can be

used to model the data.

Which function best models the data?

• F. r(x) = 223.06(1.09)^x

• G. r(x) = 1.09(223.06)^x

• H. r(x) = 2,232.91(0.92)^x

• J. r(x) = 0.92(2,232.91)^x

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CCSS.HSF.LE.A.2

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CCSS.8.EE.C.8B