7th ACA 3rd 6 Weeks Cumulative Review Extra Practice

Front

What does the inequality 3.15x - 21.00 ≥ 218 represent?

Back

A taxi driver needs to drive at least 218 miles, where the fare is $3.15 per mile, and there is a fixed charge of $21.00.

Front

What is the solution to the inequality 8c + 4 > -20?

Back

c > -3

Front

Write an equation to determine the number of weeks Morgan must save to have $96 if he saves $9 per week and has $42.

Back

9w + 42 ≥ 96

Front

If x = 11, which equation is true? 3 ( x – 9 ) = 6, 3 ( x + 9 ) = 6, 2 ( x – 6 ) = 6, or 2 ( x + 6 ) = 6?

Back

3 ( x – 9 ) = 6

Front

Write an equation that represents the total number of footballs Diego intercepts in x days if he intercepts 18 in one game.

Back

y = 18x

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

What does the symbol '≥' mean in an inequality?

Back

'≥' means 'greater than or equal to'.

Front

What is the first step to solve the inequality 8c + 4 > -20?

Back

Subtract 4 from both sides to isolate the term with c.

Front

How do you check if a solution to an inequality is correct?

Back

Substitute the solution back into the original inequality to see if it holds true.

Front

What is the purpose of writing an equation in a word problem?

Back

To represent the relationships and quantities described in the problem mathematically.