Algebra: Unit 1 Retake

• Natural Numbers

• Irrational Numbers

• Rational Numbers

• Integers

• Whole Numbers

Simplify

3² - 3 [(5² - 9) /2]

Mathematical Equivalence

ON

(3-13)²+14

4² -5(2)

Mathematical Equivalence

ON

Evaluate the expression if a=-8, b=17, c=21

-a² -(b-c)

Mathematical Equivalence

OFF

Translate the following

• n/15=5

• 10 more than twice some number is 5 less than the number

• 2n+5=15

• The quotient of a number and 15 is 5

• 2n+10=n-5

• The sum of 5 and twice a number is 15

• 5n-15=10

• 15 less than 5 times a number is 10

• 5(n-3)=10

• 5 times the difference of a number and 3 is 10

Simplify

2x-4y+6+3x-9y-4

(Your answer must be written in the correct polynomial order...exponentially/alphabetically. Do Not Space)

If the length of a rectangle is 7 less than 3 times some number and the width of the rectangle is two more than the same number. What is the perimeter of the rectangle.

Write your answer and do not space. Use x as the variable for the number.