Equations and Inequalities Vocabulary Review

The 12 is called a __________.

• terms

• coefficient

• equation

• expresion

The 12x - 8 = 75 is called a(n) ___________.

• equation

• expression

• constant

• coefficient

The -8 is called a(n) ________.

• equation

• coefficient

• constant

• term

The 9 is called a(n) _____.

• constant

• expression

• positive number

• variable

Which of the following is NOT linear equation in two variables?

• x + y = 3

• x + y > 10

• x - y = 1

• 2x + 3y = 4

Name the coefficient in the equation:
61 - 4 + 8t = 6

• 61

• 4

• 8

• 6

Reorder the following to show the correct steps for solving equations and inequalities.

• Combine like terms on the same side of the equation or inequality, if necessary.

• Use inverse/opposite operations to the isolate the variable.

• Use inverse/opposite operations to move terms with variables to one side of the equation or inequality and constants to the other side.

• Distribute, if necessary.

• Check your solution or solution set.

Match each outcome to the correct type of mathematical sentence.

• Solution Set

• Equation

• One Solution, No Solution, or All Real Numbers.

• Inequality

• Simplified Expression

• Expression

How many solutions does this system of equations have?

• no solution

• one solution

• infinitely many solutions

• cannot be determined

When solving the system of equations, which expression could be substituted for "r" in the second equation?

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