2018 STAAR EOC Prep Review



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Which graph best represents the solution set of y ≤ -4x?

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Tags

CCSS.HSA.REI.D.12

The area of a rectangle is 54x⁹y⁸ square yards. If the length of the rectangle is 6x³y⁴ yards, which expression represents the width of the rectangle in yards?

• 9x³y²

• 48x⁶y⁴

• 9x⁶y⁴

• 60x¹²y¹²

Tags

CCSS.8.EE.C.7B

The total number of seats in an auditorium is modeled by f(x) = 2x² - 6x, where x represents the number of rows of seats. How many rows are there in the auditorium if it has a total of 416 seats?

• 32

• 13

• 20

• 16

Which situation best represents causation?

• When the number of bus stops increases, the number of car sales decreases.

• When fewer firefighters report to a house fire, the damage caused by the fire decreases.

• When icecream sales increase, incidents of sunburn increase.

• When it rains several inches, the water level of a lake increases.

Tags

CCSS.HSS.ID.C.9

The graph of a quadratic function is shown on the grid.

Which function is best represented by this graph?

• f(x) = x² + 3x - 4

• f(x) = -x² - 3x + 4

• f(x) = x² - 3x - 4

• f(x) = -x² + 3x + 4

Tags

CCSS.HSF-IF.C.7A

What is the solution to 8x - 3(2x - 4) = 3(x - 6)?

• 6

• 2

• 30

• no solution

A lifeguard earns $320 per week for working 40 hours plus $12 per hour worked over 40 hours. A lifeguard can work a maximum of 60 hours per week.

Which graph best represents the lifeguard's weekly earnings in dollars for working h hours over 40?

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Tags

CCSS.8.EE.B.5

The graph of quadratic function f is shown on the grid. What is the y-intercept of the graph of f?

• 4

• -4

• -3

• -5

Tags

CCSS.HSF-IF.C.7A

A particular type of cell doubles in number every hour. Which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells?

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Tags

CCSS.HSF.LE.A.2