QUIZ NO. 1 (PROPERTIES OF EQUALITY)

What property of equality states that the expressions on both sides of the equation may be interchanged?

• Transitive Property of Equality

• Reflexive Property of Equality

• Substitution Property

• Symmetric Property of Equality

What property of equality is shown below?

25 + d = 36

25 + d - 25 = 36 - 25

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

Which of the following is a Reflexive property of equality?

• If a=b, then  a can be substituted for b in any equation or expression

• For any real number a, a=a .

• a(b+c)=ab+ac

•  If a=b, then b=a

Which of the following is NOT a Property of Equality?

• Reflexive property of equality

• Associative property of equality

• Symmetric property of equality

• Division property of equality

Identify the property of equality used in the equation:

If x+2=2y, and 2y=8, then x+2=8.

• Symmetric property of equality

• Substitution property of equality

• Addition property of equality

• Transitive property of equality

If 23 + 17 = 40, does 23 + 17 + 5 = 40 + 5?

• True
• False

If 16 + 1 = 17,  does  (16 + 1) −1 = 17 − 2 ?

• True
• False

If you add 5 to one side of an equation, what do you do to the other side to maintain equality?

• add 5

• subtract 5

• multiply by 5

• divide by 5

If you divide one side of an equation by 2.5, what must you do to the other side to maintain equality?

• add 2.5

• subtract 2.5

• multiply by 2.5

• divide by 2.5

How many Properties of Equality did we discuss?

• 6

• 7

• 8

• 9