Final Exam Review

The graph of a quadratic function is shown. What are the zeros of the function?

Select two correct answers.

Tags

AI.9.7.A

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

The zeros are ​ (a)   .

The y-intercept is ​ (b)   .

• (-10, 0) and (2, 0)
• (0, -5)
• (0, -10) and (0, 2)
• (0, 5)
• (5, 0)
• (10, 0) and (-2, 0)
• (-5, 0)
• (0, 10) and (0, -2)

Tags

AI.9.7.A

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A quadratic function is graphed on the grid.

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

What is the vertex?

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Select the quadratic equation(s) that have two roots.

• y = x²-8x-20

• y = x² +3

• y = x²-2x+1

• y = x²-25

• y = 4x² +12x+9

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

• 3

• 2 and 9

Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The table represents the function where x is time and h(x) is the height. Which function represents the data?