1. Quadratics Questions

2. Which quadratic equation best represents the parabola shown below?
A y = x2 + x + 5
B y = x2 + 5
C y = −x2 + 5
D y = −x2 + x + 5

3. Jake studied the parabola shown below.
Which is an accurate conclusion that Jake could make about this parabola?
A The vertex is at (−2, 0).
B The minimum value is at (0, −4).
C The maximum value is at (2, 0).
D The axis of symmetry is the x-axis.

4. What is the parent function of the graph shown on the grid below?
A y = −x
B y = −x2
C y = x
D y = x2

5. A quadratic function is given. f(x) = 3x2 − x + 6 What is f(2)?
F 40 H 16
G 28 J 4

6. Which type of parent function is represented by the function graphed below?
A Exponential
B Absolute value
C Linear
D Quadratic

7. Tammy drew a floor plan for her kitchen, as shown below.
Which expression represents the area of Tammy’s kitchen floor in square units?
F 6x2 + 30x + 5
G 6x2 + 13x + 5
H 10x + 12
J 5x + 6

8. The graph below shows the relationship between temperature and the density of water.
 Which of the following statements best describes this relationship?
F The density of water increases as temperature increases between 4°C and 10°C.
G The density of water decreases as temperature increases between 0°C and 4°C.
H The density of water decreases as temperature increases between 4°C and 10°C.
J The density of water remains constant as temperature increases.

9. A rectangle has a length of 2x + 1 and a width of 5x − 4
A rectangle has a length of 2x + 1 and a width of 5x − 4. Which expression best describes the area of the rectangle?
F 7x − 3 H 10x2 − 3x − 4
G 14x − 6 J 10x2 + 13x − 4

10. The graph below represents the relationship between the density of water and the temperature of water.
According to the graph, which of the following intervals best represents the temperature at which the density of water is greater than kilograms per cubic meter?
F Less than 1°C
G Between 0°C and 4°C
H Between 4°C and 8°C
J Between 1°C and 7°C

11. How does the graph of y = 7x2 differ from the graph of y = x2
How does the graph of y = 7x2 differ from the graph of y = x2? A The vertex of the graph of y = 7x2 is 7 units higher. B The vertex of the graph of y = 7x2 is 7 units lower. C The graph of y = 7x2 is wider. D The graph of y = 7x2 is narrower.