Expressions and Equations Practice

This video tutorial covers several topics in seventh-grade math, focusing on combining like terms, determining the equivalence of expressions, writing expressions for account balances, correcting errors in the distributive property, and solving inequalities. The tutorial provides step-by-step explanations and examples to help students understand and apply these concepts effectively.

What is the result when you factor and simplify the expression (X + 5) multiplied by zero?

• Zero

• X + 5

• Negative five

• Five

How can you make the expression 1X + 4 equivalent to X + 3?

• Divide the expression by 2

• Multiply the expression by 2

• Subtract 1 from the expression

• Add 1 to the expression

Which of the following expressions is equivalent to 4X + 14?

• 2X + 7

• 6X + 10

• 4X + 14

• 3X + 11

What is the simplified expression for a checking account balance of $350 with two withdrawals and a deposit?

• 300 + 2X

• 400 - X

• 375 - 2X

• 350 + X

If a customer makes a deposit that is 3.5 times another deposit, what is the expression for the total deposit?

• 2X

• 4.5X

• 3.5X

• X + 3.5X

What mistake did Tyler make when using the distributive property?

• He added instead of subtracted

• He multiplied incorrectly

• He used the wrong variable

• He forgot to distribute a term

What is the correct expression after fixing Tyler's mistake?

• 9 - 20X + 24

• 9 + 20X - 24

• 9 - 20X - 24

• 9 + 20X + 24

If 11 + X is positive but 4 + X is negative, what is a possible value for X?

• -5

• -10

• -3

• -7

For the condition -3 + Y is positive and -9 + Y is negative, what could Y be?

• 10

• 8

• 5

• 2

If -5 + Z is positive but -6 + Z is negative, what is a possible value for Z?

• 4

• 5.5

• 6

• 7