1.) -10 = _______ (Reflexive Property) *
2.)If x/8 = -3, then x/8 (8) = _______ (Multiplication Property of Equality)
3.)If a + 3 = 7 and a = 4, then _____ = 7 (Substitution Property) *
4.)If x = y and y = z, then x = ______ (Transitive Property)
5.)– 20 = ______ ( Reflexive Property)
6.) If x + 8 = 3x, then 3x = _______ (Symmetric Property)
7.)If x + 7 = -3, then x + 7 -7 = _____ (Addition Property of Equality) *
8.)If y – 2 = 8 and y = 10, then 10 – 2 = ______ (Substitution Property) *
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Answer:
1. It is a letter or symbol that represent a number in an equation.
\large\rm b. \: variableb.variable
2. 11 has a fixed value that does not change.
\large \rm c. \: constantc.constant
3. It is a mathematical sentence formed by placing an equal sign between two expressions.
\large\rm a. \: equationa.equation
☞ A mathematical sentence, thus, it is complete because of the equal sign.
4. It is mathematical phrase that uses variables, numerals and operation symbols.
\large\rm a. \: expressiona.expression
☞ A mathematical phrase since it lacks equal sign and is only composed of more than one or more terms that are separated by plus and minus signs.
5. Which of the following is an example of an expression?
\large\rm d. \: thrice \: the \: sum \: of \: 2 \: and \: 5d.thricethesumof2and5
☞ The other choices are examples of equation. The word is represents the equal sign in word phrases.
\blue {\overline{ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: }}