3.1-3.3 Review Algebra

Front

What is the formula to calculate distance when speed and time are known?

Back

Distance = Speed × Time

Front

If a car travels 420 miles in 8 hours, what is its speed?

Back

Speed = Distance / Time = 420 miles / 8 hours = 52.5 miles per hour

Front

What does it mean if an equation has infinitely many solutions?

Back

It means that any value for the variable will satisfy the equation.

Front

What is the first step in solving the equation 2a - 4(a - 5) = 10?

Back

Distribute -4 to a and -5.

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to both sides of the equation.

Front

What is the solution to the equation 22 + 2a = 37 + 6 + a?

Back

a = 21

Front

What is the first step to solve the equation -7 - 3x = -34?

Back

Add 7 to both sides.

Front

What is the solution to the equation -7 - 3x = -34?

Back

x = 9

Front

What does it mean to distribute in algebra?

Back

To multiply each term inside the parentheses by the term outside.

Front

What is the result of simplifying the expression 3(x + 5)?

Back

3x + 15