Staar 2018 Calculator Questions

Which graph best represents a system that has no solution?

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Which statement about the graph of the equation y = 8(0.25)^x is true?

• The coordinates of the x-intercept are (0.25, 0).

• The coordinates of the y-intercept are (0,8).

• The equations of the asymptote is x = 0.

• The graph includes the point (2, 1).

Which expression is equivalent to the expression x² - 17x - 60?

• (x - 20) (x + 3)

• (x - 5) (x -12)

• (x - 20) (x - 3)

• (x + 5 )(x - 12)

There are 1,024 players in a tennis tournament. In each round, half the players are eliminated. Which function can be used to find the number of players remaining in the tournament at the end of x rounds?

• f(x) = 1,024(1.50)^x

• f(x) = 1,024(0.50)^x

• f(x) = 1,024(1.05)^x

• f(x) = 1,024(0.05)^x

Which statement about g(x) = x² - 576 is true?

• The zeros, -288 and 288, can be found when 0 = (x + 288)(x - 288).

• The only zero, 288, can be found when 0 = (x -288)².

• The zeros, -24 and 24, can be found when 0 = (x + 24)(x - 24).

• The only zero, 24, can be found when 0 = (x - 24)^2.

Given f(x) = ¹/₃ (4 - x)² , what is the value of f(16)?

• 48

• -48

• -36

• -133

Which graph best represents the solution set of -4x ≤ 6y - 54?

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What are the solutions to (x + 7)² = 81 ?

• -74 and 88

• -2 and 16

• -88 and 74

• -16 and 2

What appears to be the domain of the part of the exponential function graphed on the grid?

• -1 ≤ x ≤ 3

• -1 ≤ y ≤ 3

• 5.3 ≤ x ≤ 27

• 5.3 ≤ y ≤ 27

Which function is equivalent to the expression f(x) = -4(x +7)² - 6 ?

• f(x) = -4x² - 56x - 202

• f(x) = -4x² + 14x + 43

• f(x) = -4x² - 56x - 172

• f(x) = -4x² + 190