Pre-Algebra - Ch. 7.4 Approximating Square Roots - Pg. 313-315

• yes

• no

• yes
• no

• natural

  number

• whole

  number

• integer

• rational

  number

• irrational number

• natural

  number

• whole

  number

• integer

• rational

  number

• irrational number

• natural

  number

• whole

  number

• integer

• rational

  number

• irrational number

Problem #18

SCRAPBOOKING: You cut a picture into a right triangle for your scrapbook. The lengths of the legs of the triangle are 4 inches and 6 inches. Is the length of the hypotenuse a rational number? Explain.

(a)  

• yes, 52 is a perfect square
• no, 52 is not a perfect square

Problem #19 a

VENN DIAGRAM: Place each number in the correct area of the Venn Diagram.

a. the last digit of your phone number

• rational

  number

• irrational

  number

Problem #19 b

VENN DIAGRAM: Place each number in the correct area of the Venn Diagram.

b. the square root of any prime number

(a)  

• rational number
• irrational number

Problem #19 c

VENN DIAGRAM: Place each number in the correct area of the Venn Diagram.

c. the ratio of the circumference of a circle to its diameter

• rational

  number

• irrational

  number

Mathematical Equivalence

ON