Unit 1 Review

Front

What is the equation that represents the total cost for John and Jane if Jane buys x cookies at $3 each and John buys x cookies at $1 each plus a cake for $10?

Back

3x = x + 10

Front

What does it mean if the equation 2(m+3)=2m+12 has no solution?

Back

It means that there are no values of m that satisfy the equation.

Front

How do you isolate w in the equation A = LW?

Back

w = A / L

Front

What is the inequality that represents Katie's budget for a taxi ride that costs $1.75 plus $0.65 per mile?

Back

1.75 + 0.65m < 10

Front

How do you isolate y in the equation 5x - y = 16?

Back

y = 5x - 16

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the purpose of solving equations?

Back

To find the value of the variable that makes the equation true.

Front

What does it mean for an equation to have infinitely many solutions?

Back

It means that there are countless values that satisfy the equation.

Front

What is the first step in solving the equation 3x + 5 = 20?

Back

Subtract 5 from both sides to isolate the term with x.

Front

What is the definition of a linear equation?

Back

An equation that forms a straight line when graphed.