Math Models Final Review

Is this number rational or irrational?

• Rational Number
• Irrational Number

-17.5

• Rational
• Irrational
• real
• fake

.141414141414...

• Rational 
• Irrational 
• real
• fake

What type of number is π ?

• Rational
• Irrational

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.
• Irrational; The sum of a rational and an irrational is always irrational.
• Rational; The product of two rationals is always rational.
• Irrational; The product of a nonzero rational and an irrational is always irrational.

√7

• Rational 
• Irrational
• real
• fake

what is the formula for finding the hypotnuse?

• a²⁺b²=c²
• a+b=c
• a-b=c
• c-a=c

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Isosceles
• Obtuse