CDA 4 QUIZ

The graph of the function models, V, the depreciation of the value of a car each year. Based on the graph, which statements are true?

• The car's value increases each year.
• The car's value remains constant over time.
• The car's value decreases each year.
• The graph that models the value will never intersect the line y=0

• The graph of f(x)=(x-3)^2+2 is a parabola opening upwards with its vertex at (3,2).
• The graph of f(x)=(x-1)^2+5 is a parabola opening upwards with its vertex at (1,5).
• The graph of f(x)=(x+3)^2-2 is a parabola opening downwards with its vertex at (-3,-2).
• The graph of f(x)=(x-3)^2-2 is a parabola opening upwards with its vertex at (3,-2).

Which statement about the quadratic function is NOT true?

• The maximum value of quadratic is -6

• The minimum value of quadratic is -6.

• The quadratic is increasing over the interval x is greater than or equal to 4.

• The quadratic is decreasing over the interval x is less than or equal to 4.

Consider the function f, where f(x)=3x^2-7. Which statement describes the location of the graph of function g, where g(x)=3x^2-2, as a translation relative to the graph of function f?

• The graph g(x) is to the right of the graph f(x).

• The graph g(x) is up from the graph of f(x).

• The graph g(x) is down from the graph of f(x).

• The graph g(x) is to the left of the graph f(x).

Which equation best represents the graph?

• y = 2(x - 4)² + 5
• y = 2(x + 4)² + 5
• y = -2(x - 4)² + 5
• y = -2(x + 4)² + 5

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up
• (-1, 4); opens down
• (1, 4); opens up
• (1, 4); opens down

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

A swim team member performs a dive from a 14-foot high springboard. The parabola below shows the path of her dive. The graph below shows the height, y, of the diver from the surface of the pool after x seconds. For which interval is the diver's height always decreasing?

• (0, t) where t is the time when the diver hits the water.
• (5, 10)
• (0, 5)
• At the highest point of distance of the vertex to the time the diver hits the water.

If a graph shows the total cost for parking for a period of time on a street in Houma. The total cost is for any length of time up to and including the hours parked. For example, parking for up to and including 1 hour would cost $1.25; parking for 3.5 hours would cost $5.75. What is the domain of the function?

• (-∞, 0)
• (1, 3)
• [1, 2]
• 0<x< or equal to 6

Which statements are not true about the parabola?

• The graph has a y-intercept at (0, 5)

• The graph has an vertex at (-4, -3)

• The graph has a maximum value of -3

• The graph has a zero at (-1, 0)

• The graph has an axis of symmetry of y=-3

Which of the following graph matches y=(2)^x

• The graph of y = (2)^x is a quadratic curve.
• The graph of y = (2)^x is an exponential growth curve.
• The graph of y = (2)^x is a linear function.
• The graph of y = (2)^x is a constant function.