7.11A

Front

What is the equation to find the hourly rate, x, if a phone company charges a sign-up fee and an hourly rate for usage?

Back

3.50 + 12x = 75.50

Front

What is the first step to solve the equation 6 + x = 12?

Back

Add 6 to both sides.

Front

When graphing an inequality, what symbols require a closed dot on the number line?

Back

≤ and ≥

Front

How can you express the relationship between total savings, weekly withdrawals, and remaining balance in an equation?

Back

600 – 35w = 285

Front

What does the equation 6x + 36 = 42 represent in a real-world context?

Back

Sid bought some pens that cost $6 each and three binders that cost $12 each, totaling $42.

Front

What is the purpose of using variables in equations?

Back

Variables represent unknown values that can change, allowing us to formulate equations based on relationships.

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to both sides of the equation to get the variable by itself.

Front

What is the significance of the sign-up fee in a phone plan equation?

Back

It represents a fixed cost that must be added to the total variable costs based on usage.

Front

What does it mean to graph an inequality?

Back

It visually represents the set of solutions that satisfy the inequality on a number line.

Front

What is the relationship between total cost, unit price, and quantity in an equation?

Back

Total Cost = Unit Price × Quantity.