Unit 1 Algebra Quiz Review

• irrational

• rational

• integer

• whole number

• natural number

• irrational

• rational

• integer

• whole number

• natural number

6.313131313

• irrational

• rational

• integer

• whole number

• natural number

Square roots of perfect squares are always _____ numbers.

• irrational

• rational

Rational and irrational numbers are both part of the set of _____ numbers.

• real

• natural

The sum of a rational number and a rational number is rational because

• a fraction plus a fraction equals an repeating decimal

• a fraction plus a fractions equals a fraction

• a fraction plus zero equals the fraction

• all numbers are real

The product of two irrational numbers is

• always rational

• always irrational

• sometimes rational and sometimes irrational

• sometimes real

2 belongs to all of the following EXCEPT

• Rational

• Whole

• Interger

• Irrational

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.

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.