Envision Algebra 1_Topic 3 and 4

What is a variable?

• A number that stands alone in an equation.

• A letter representing an unknown number.

• A property that allows you to expand parentheses.

• A pair of numbers representing a point.

What is a coefficient?

• A number that stands alone in an equation.

• A letter representing an unknown number.

• The number multiplied by a variable.

• A pair of numbers representing a point.

Which property is used to expand expressions like a(b+c)?

• Inverse operations.

• Distributive property.

• Constant term.

• Ordered pair.

What does a variable typically represent in an equation?

• A known number.

• An unknown number.

• A constant number.

• A pair of numbers.

Which term describes a number that is multiplied by a variable?

• Constant term.

• Coefficient.

• Ordered pair.

• Variable.

Which of the following is not an inverse operation?

• Addition and subtraction.

• Multiplication and division.

• Addition and multiplication.

• Subtraction and addition.

Which of the following is an example of a variable?

• 5

• x

• 10

• 3.14

What is a coordinate plane?

• A system to measure angles

• A grid system used to plot points

• A tool for measuring distances

• A method for calculating area

What is the x-axis?

• The vertical line on a coordinate plane

• The diagonal line on a coordinate plane

• The horizontal line on a coordinate plane

• The curved line on a coordinate plane

How is the slope of a line calculated?

• Change in x over change in y

• Change in y over change in x

• Sum of x and y

• Difference between x and y