Quiz about Quadratic Functions And Equations

Question 1

Which graph best represents $$h(x)=(x+1)(x-3) ?$$

Accepted Answer

Covalent bond

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202023-05-30%20at%201.46.53%20PM_20230530114726198202.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202023-05-30%20at%201.47.00%20PM_20230530114741182219.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202023-05-30%20at%201.47.06%20PM_20230530114752418281.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202023-05-30%20at%201.47.11%20PM_20230530114803794353.png)

Question 2

A hovercraft takes off from a platform. The function $${f}$$ models the height of the hovercraft above the ground (in meters) as a function of time (in seconds) after it takes off. At what time did the hovercraft reach its maximum height ?

![](http://admin.getprephub.com/media/editor/qs100_20221211211342727909.png)

Accepted Answer

Covalent bond

Answer

1 second

Answer

2 seconds

Answer

8 seconds

Answer

4 seconds

Question 3

A function is shown.

$$f(x)=5(x-2)^{2}+3$$

What is the minimum value of the function?

Accepted Answer

Covalent bond

Answer

$$3$$

Answer

$$-2$$

Answer

$$5$$

Answer

$$7$$

Question 4

The table of values for the exponential function $$f(x)=a \cdot b^{x}$$ is shown, where $$a$$ is not 0 , and $$b$$ is a positive real number not equal to 1 .

![](http://admin.getprephub.com/media/editor/sp7_20230223185747968738.png)

Accepted Answer

Covalent bond

Answer

$$a=\frac{1}{4}$$ and $$b=2$$

Answer

$$a=2$$ and $$b=\frac{1}{4}$$

Answer

$$a=5$$ and $$b=2$$

Answer

$$a=\frac{1}{4}$$ and $$b=1$$

Question 5

A person dives into a pool from its edge to swim to the other side. The table shows the depth in feet of the person from the surface of the water after $$x$$ seconds. The data can be modeled by a quadratic function.
![](http://admin.getprephub.com/media/editor/Screenshot%202023-05-29%20at%2010.12.54%20AM_20230529141217840525.png)
Which function best models the data?

Accepted Answer

Covalent bond

Answer

$$ d(x)=0.26 x^2-3.11 x $$

Answer

$$ d(x)=0.05 x^2+0.74 x $$

Answer

$$ d(x)=0.05 x^2+0.74 x+9.17 $$

Answer

$$ d(x)=0.26 x^2-3.11 x+1 $$

Quadratic Functions And Equations Algebra 1 Maths Problems and Solutions

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