Quiz about Solving Quadratics from a Table or Graph

Question 1

A raft is dropped from a helicopter 256 feet in the air above the ocean. Its approximate height, h, after t seconds is given by the function h(t) = -16t² + 256. How many seconds did it take the raft to hit the water? (Round to the nearest whole number)

Accepted Answer

4

Answer

-4

Answer

2

Answer

8

Question 2

What is the exact solution found in this table?

Accepted Answer

x=-2

Answer

x=0

Answer

x=2

Answer

x=3

Question 3

What is the approximate solution found in this table?

Accepted Answer

2<x<3

Answer

0<x<2

Answer

2>x>3

Answer

x=2.5

Question 4

What is the graph of x²=14x-49?

Accepted Answer

Question 5

A vertex that represents the LOWEST point on a graph is called _____

Accepted Answer

minimum

Answer

maximum

Answer

vertex

Answer

home run

Question 6

How many zeros does this parabola have?

Accepted Answer

2

Answer

3

Answer

0

Answer

1

Question 7

What is another name for the x-intercepts of a quadratic?

Accepted Answer

Zeros

Answer

y-intercept

Answer

x-axis

Answer

They don't have another name

Question 8

When did the ball reach its maximum height? Choose the key feature and the answer.

Accepted Answer

x-value of the vertex, 4 secs

Answer

y-intercept, 3 secs

Answer

y-value of the vertex, 5 secs

Answer

y-intercept, 0 secs

Question 9

A company graphed the revenue (profit) based on selling price of their item. What price would give them the greatest revenue?

Accepted Answer

$31.80

Answer

$0

Answer

$62

Answer

$2,528,100

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