Algebra 2

Unit Test #1

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Part 1: Calculator Allowed

 

1.

Rewrite x>4 in interval notation.

(3)

x 4,

 

An Image

2.

Write an interval for the number line shown above.

(4)

x 8,1

 

3.

Evaluate f 0 given f x = x+2 2 x<1 x+1 1<x3 x x>3 .

(3)

f 0 = 0 +1=1

 

4.

Find the average rate of change for f x = x 2 +x+2 over x 2,0 .

(6)

f 2 = 2 2 + 2 +2=4 and f 0 = 0 2 + 0 +2=2, so the average rate of change is 24 0 2 = 2 2 =1.

 

Algebra 2

Unit Test #1

 

Part 2: No Calculator Allowed

 

5.

Rewrite x ,5 as an inequality.

(3)

x5

 

An Image

6.

Identify (by name and equation) the parent function shown above.

(3)

Square root; y= x

 

7.

Create a table of values and sketch the following equation: y= x 2.

(5)

An Image

 

8.

Create a table of values and sketch the following equation: y= x3 2 1.

(5)

An Image

 

9.

Create a table of values and sketch the following equation: f x = x+2 x<2 x4 2 x2 .

(5)

An Image

 


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