2025 Alg 1 Finals Study Guide

1. Which expression is equivalent to x² + 18x +81?

• A. (x + 10)(x + 8)
• B. (x +9)(x + 9)
• C. (x + 1) (x + 81)
• D. (x+3) (x+27)

2. The quadratic function f is shown on the graph. Which of the following is NOT a true statement?

• A. The vertex is located at (-2, 0).
• B. The function has a minimum at -2.
• C. The y-intercept is located at (0, -2).
• D. The function has two zeros.

3. Which of the following best describes the domain of the function on the graph below?

• A. y = 6
• B. -6 < x < 8
• C. -6 ≤ x ≤ 8
• D. x = 6

4. Solve the equation by factoring.

• A. x = -4 and x = 10
• B. x = 8 and x = -5
• C. x = -10 and x = 4
• D. x = -8 and x = 5

5.

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6.

• A. The graph has an asymptote at y = 0.
• B. The coordinates of the x-intercept are (8, 0).
• C. The coordinates of the y-intercept are (0, 1.2).
• D. The graph includes the point (3, 8.64).

7. The graph shows the quadratic function b(x). Which of the following describes the interval of values where b(x) is decreasing?

• A. x > 3
• B. x < 3
• C. y < 6
• D. -1.5 < x < 6.5

8. The graph of quadratic function h is shown on the grid. Which best represents the domain of h?

• A. -3 ≤ x ≤ 4
• B. All real numbers
• C. y ≤ 5
• D. None of the above

9. Two students multiplied binomials as shown. Which student(s) multiplied correctly?

• A. Jeb only
• B. Isaiah only
• C. Both students multiplied correctly.
• D. Neither student multiplied correctly.

10. Given the function h(x) = 5 – 2(x² – 18), which of the following is a true statement?

• A. h(-10) = -201
• B. h(-4) = 9
• C. h(0) = 52
• D. h(5) = -10