5-3 SUBTRACTING LINEAR EXPRESSIONS

Multiple Select

Which of the following are examples of combining like terms when adding linear expressions?

• 4x + 6x = 10x

• 9a + 3a = 12a

• 7m + 2m = 9m

• 4x + 3a = 7xa

Multiple Choice

What is the main topic covered in the lesson plan shown in the images?

• Adding & Subtracting Linear Expressions

• Solving Quadratic Equations

• Multiplying Fractions

• Graphing Functions

Multiple Choice

Which of the following expressions is the result of simplifying 10b + (-4b)?

• 6b

• 14b

• -6b

• -14b

Multiple Select

Which of the following are examples of like terms?

• 5a and 3a

• 2x and 4y

• 7m and 2m

• 5a and 3b

Open Ended

What is the difference between like terms and unlike terms in algebraic expressions?

Open Ended

How can linear expressions be used to represent real-life situations, such as the price of fruits or the height of a growing child?

Open Ended

Write the additive inverse of the following numbers: 4, -10, 25, 2/3, -5/7, 1.7.

Multiple Choice

Which of the following expressions is the additive inverse of 5x - 7?

• -5x + 7

• 5x + 7

• -5x - 7

• 7 - 5x

Open Ended

Find the additive inverse of each linear expression: 3x - 6, -9x + 3, -4x - 8.

Multiple Select

Which of the following statements are true about additive inverses?

• The additive inverse of a positive number is negative.

• The additive inverse of zero is zero.

• The additive inverse of a negative number is positive.

• The additive inverse of a number is always greater than the original number.

Multiple Choice

What is the additive inverse of the expression -5x + 3?

• 5x - 3

• -5x - 3

• 5x + 3

• -3x + 5

Open Ended

What mistake might a student make when solving the pyramid problem with the expression -1x - 3?

Multiple Choice

Which of the following expressions is equivalent to (-7x - 14) - (x - 5)?

• -8x - 9

• -6x - 19

• -8x - 19

• -8x + 9

Multiple Select

Which of the following are correct results when subtracting (8x + 9) - (6x - 2)?

• 2x + 11

• 2x + 7

• 14x + 7

• 2x + 9

Open Ended

Explain how to subtract two algebraic expressions, such as (3x - 4) - (x - 5).