7th Grade STAAR Review

Front

What is the equation to represent Jim's gym membership fee if he paid a total of $290, with a $50 initial fee and $20 per month?

Back

50 + 20m = 290

Front

Solve for t: -5t + 9 = 24

Back

t = -3

Front

What inequality represents the time it takes for the temperature in the ice rink to fall below 50°F if it starts at 71°F and decreases by 3.5° per hour?

Back

71 - 3.5x < 50

Front

Write the equation for Scott's car bill if he charges $35 for each car and $7 per hour, and the total bill was $63.

Back

7x + 35 = 63

Front

What inequality shows how many weeks it will take for Casey's dog to lose weight from 106 lbs to 70 lbs at a rate of 4 lbs per week?

Back

106 - 4x ≤ 70

Front

Define a variable in the context of a word problem.

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

Front

What is the purpose of using inequalities in word problems?

Back

Inequalities are used to express a range of possible values rather than a single solution.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone.

Front

What does it mean to solve an equation?

Back

Solving an equation means finding the value(s) of the variable that make the equation true.

Front

What is a linear equation?

Back

A linear equation is an equation that forms a straight line when graphed, typically in the form y = mx + b.