SAT Math: Advanced Math
After completing the square, a quadratic function is expressed as . Which direction does the parabola open, and what is the vertex?
Opens upward, vertex (1, 4)
Opens downward, vertex (1, 4)
Opens upward, vertex (-1, 4)
Opens downward, vertex (-1, 4)
A projectile's height, , is modeled by the quadratic function , where is the time in seconds. What is the maximum height the projectile reaches?
64 feet
80 feet
144 feet
164 feet
Match the quadratic equation to its graph after applying multiple transformations.
A parabola opening upwards with vertex at (1, -2)
A parabola opening downwards with vertex at (-1, 2)
A parabola opening upwards with vertex at (-1, -2)
A parabola opening downwards with vertex at (1, 2)
A company's revenue, , from selling units is modeled by a quadratic graph. The vertex of the graph is at (500, 50000). What does the x-coordinate of the vertex represent?
The maximum revenue the company can achieve.
The number of units the company needs to sell to break even.
The number of units that maximizes the revenue.
The initial revenue when no units are sold.
The height of a ball thrown is modeled by , where is the horizontal distance. What do the x-intercepts and vertex represent in this context?
x-intercepts: initial and final height; vertex: maximum height and distance
x-intercepts: start and end distance of the throw; vertex: maximum height and distance
x-intercepts: maximum height; vertex: start and end distance
x-intercepts: the height of the building; vertex: the time to reach the ground
What is the y-intercept of the quadratic function ?
(0, 5)
(0, -2)
(0, 2)
(-2, 0)
Which of the following equations represents a quadratic function?
f(x) = 3x + 1
f(x) = 2x² - x + 5
f(x) = 4
f(x) = x³ + 2x² - 1

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The quadratic function is given. What is the vertex of the parabola?
(2, 3)
(-2, 19)
(2, 11)
(-2, 3)
The parent function is transformed to . Describe the transformations applied.
Vertical compression by a factor of 2, shift right by 3 units, shift up by 4 units.
Vertical stretch by a factor of 2, shift left by 3 units, shift down by 4 units.
Vertical compression by a factor of 2, shift left by 3 units, shift down by 4 units.
Vertical stretch by a factor of 2, shift right by 3 units, shift up by 4 units.
What is the axis of symmetry for the quadratic function ?
x = -4
x = -2
x = 2
x = 4