Algebraic Expressions and Operations

The video tutorial by Mr. Wooley covers generating equivalent expressions, working with like terms, solving word problems, understanding multiplicative inverses, and collecting terms into standard form. It provides guidelines for students and emphasizes the importance of not sharing the video outside the classroom. The tutorial includes practical examples and exercises to reinforce the concepts taught.

What is the opposite of 3x?

• -3x

• 3x

• x

• -x

If you have 3x and subtract 4x, what is the result?

• -7x

• x

• -x

• 7x

In the expression 5a + 2a, what is the simplified form?

• 2a

• 10a

• 3a

• 7a

A stick is x meters long, and a string is 4 times as long. How long is the string?

• x/4 meters

• 4x meters

• 4 meters

• x meters

If the total length of a stick and a string is 15 meters, and the stick is x meters, what is the equation to find x?

• x/4 = 15

• 4x - x = 15

• x - 4x = 15

• x + 4x = 15

What is the multiplicative inverse of 3?

• 3

• 1/3

• -1/3

• -3

How do you find the reciprocal of a fraction?

• Subtract 1

• Flip the fraction

• Add 1

• Multiply by 2

What is the result of 12x divided by 2x?

• 2x

• 6

• 12

• x

If 3x + 2 - 4x is simplified, what is the result?

• -x - 2

• x - 2

• x + 2

• -x + 2

What is the value of 5c - 1 if c is -7?

• 35

• -35

• 36

• -36