2018 Algebra 1 STAAR

What is the range of y = -x² + 2x + 8? (Use #5 as a hint!)

• x ≤ 9

• x ≥ 7

• y ≤ 9

• y ≥ 7

Tags

CCSS.HSF.IF.B.4

CCSS.HSA.REI.B.4

CCSS.HSF.IF.C.7

Which expression is equivalent to (36x¹⁰y²)^1/2? (Use #6 as a hint!)

• 18x⁵y²

• 6x⁵y²

• 18x⁵y

• 6x⁵y

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Which expression is equivalent to

x² - 13x - 30? (Use #11 as a hint!)

• (x + 5)(x + 6)

• (x - 15)(x + 2)

• (x + 10)(x - 3)

• (x - 10)(x - 3)

Tags

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

The value of y varies directly with x. If x = 5, then y = 90. What is the value of x when y = 144? (Use #10 as a hint!)

• 10

• 8

• 6

• 4

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

What are the domain and range of g(x) = 10? (Use #13 as a hint!)

• Domain: All real numbers

  Range: {10}

• Domain: {10}

  Range: All real numbers

Tags

CCSS.HSF.IF.B.5

CCSS.HSF.IF.A.1

Two quadratic functions on shown. f(x) = x² and h(x) = f(x) + n. What is the value of n? (Use #14 as a hint!)

• 10

• 5

• -5

Tags

CCSS.HSF.BF.B.3

Which statement best describes the y-intercept of the graph? (Use #16 as a hint!)

• The water level was measured for 14 days.

• The maximum water level was 44 feet.

• The water level increased by 5 feet every 8 days.

• The water level started at 35 feet

Tags

CCSS.HSF.IF.B.4

There are 64 teams in a basketball tournament. In each round, half of the teams are eliminated. Which can be used to find the number of teams remaining in the tournament at the end of x rounds? (Use #17 as a hint!)

• y = 64(1.50)^x

• y = 64(0.50)^x

• y = 64(1.05)^x

• y = 64(0.05)^x

Tags

CCSS.HSF.LE.A.2

Which statement about h(x) = x² - 225 is true? (Use #18 as a hint!)

• The zeros, -15 and 15, can be found when 0 = (x + 15)(x - 15).

• The only zero 15, can be found when 0 = (x - 15)².

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Given m(x) = 1/4(6 - x)², what is the value of m(15)? (Use #20 as a hint!)

• -2.25

• 5.25

• 110.25

• 20.25

Tags

CCSS.HSF.IF.A.2