Algebra I Graphing & Solving Quadratics

The graph of a quadratic function is shown below. Which statement appears to be true?

• The function has 3 zeros.

• The maximum value of the function is 3.

• The vertex of the graph of the function is (1,4).

• The y-intercept of the function is (3,0).

Tags

CCSS.HSF-IF.C.7A

The graph of the quadratic function below has _____ real zeros.

• Two
• One

• No

• Cannot be determined.

Tags

CCSS.HSF-IF.C.7A

The graph shows the height in feet of an object above the ground x seconds after it was launched from the ground.

Which function is best represented by the graph of this situation?

• f(x) ≥ 9

• All real numbers

• -3 ≤ x ≤ 3

• x ≤ 9

A quadratic function is graphed on the grid.

Which answer choice best represents the domain and range of the function?

• Domain: x ≥ 3, Range: y ≥ 5

• Domain: All real numbers, Range: y ≥ 5

• Domain: x ≥ -3, Range: All real numbers

• Domain: y ≥ 5, Range: y ≥ -3

The quadratic function below has a domain of all real numbers and a range of ______.

• All real numbers greater than or equal to 3
• All real numbers less than or equal to 3

• All real numbers

• 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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

Which function is best represented by the graph of h?

Tags

CCSS.HSF-IF.C.7A

The graph of a quadratic function is shown on the grid. Which function is best represented by this graph?

Tags

CCSS.HSF-IF.C.7A

• (x - 15)(x + 2)

• (x - 10)(x - 3)

• (x + 15)(x - 2)

• (x + 10)(x + 3)

• (x - 20)(x + 3)

• (x - 5)(x - 12)

• (x - 20)(x - 3)

• (x + 5)(x - 12)