STAAR EOC Algebra 1

What is the range of this situation?

• All real numbers greater than or equal to 0 and less than or equal to 9

• All real numbers greater than or equal to 0 and less than or equal to 28

• All real numbers less than or equal to 28

• All real numbers less than or equal to 9

Which graph represents a function with a domain of all real numbers greater than or equal to -7 and less than 2?

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A set of weights includes a 4 lb barbell and 6 pairs of weight plates. Each pair of plates weighs 20 lb. If x pairs of plates are added to the barbell, the total weight of the barbell and plates in pounds can be represented by f(x) = 20x + 4. What is the range of the function for this situation?

• {0, 1, 2, 3, 4, 5, 6}

• {4, 24, 44, 64, 86, 104, 124}

• {0, 2, 4, 6}

• {4, 44, 84, 124}

• -9 < x ≤ 2

• -9 ≤ x < 2

• -6 < f(x) ≤ 3

• -6 ≤ f(x) < 3

Which graph best represents a function with a range of all real numbers greater than or equal to -6?

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Solve the quadratic equation: x^2 + 5x + 6 = 0

• -1, -6

• -2, -3

• 4, 5

• 2, 3

Which of the following is a linear equation?

• y = 2x^2 + 3

• y = 2x + 3

• y = 2/x + 3

• y = 2x^3 + 3

Solve the linear equation: 3x - 7 = 2x + 5

• x = 10

• x = 8

• x = 15

• x = 12

Which of the following is a solution to the equation: y = 2x - 1?

• (3, 4)

• (0, -1)

• (2, 3)

• (1, 2)

Which of the following is a linear function?

• y = 3x - 2

• y = 2x + 3/x

• y = x^2 + 1

• y = sin(x) + cos(x)