Elementary Algebra Quiz 3

 

 

1. Solve 15 + y = 24

y = 24 15 = 9

 

2. Evaluate (-2)2

(-2)2 = (-2)(-2) = 4

 

3. Solve 3x 5 = 13

3x = 13 + 5 = 18

x = 6

 

4. Zero divided by any number is 0

 

5. Is 5 a solution of 2b + 3 = 15 ?

2(5) + 3 = 10 + 3 = 13 15

So 5 is not a solution

 

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