Credit Rec. A1 Final Exam

Translate this phrase into an algebraic expression.
4 divided by the sum of a number and 12

• 4 / n + 12
• 4 / 12n
• 4 / (n + 12) 
• (4 / n) + 12

• Integer

• Rational Number

• Irrational Number

• Whole Number

How can you tell if a number is rational?

• it has a positive value

• it can be written as a ratio of two integers (a fraction)

• it has a negative value

3c + 5 = 23

• c = 3

• c = 6

• c = 7

• c = 18

Solve for  d.

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Solve for b $A=\frac{bh}{2}$

Solve the proportion below:

• 418
• 2
• 38
• 11

Solve for w

• 10/3
• 50/9
• 46/9
• 22/3

What is 20% of 60?

• 12

• 21

• 120

• 1.2