Semester 1 Review day 2

Front

How do you isolate the variable in the equation x - 62 = 123?

Back

Add 62 to each side.

Front

What is the inverse operation of division?

Back

Multiplication.

Front

Solve for x: 4x + 1 = 7x - 5

Back

x = 2.

Front

If a pattern shows 1 cube, 2 cubes, 3 cubes, how many cubes would come next?

Back

4 cubes.

Front

Evaluate f(-2) if f(x) = x + 3.

Back

f(-2) = 1.

Front

What is the first step to solve the equation 3x + 5 = 20?

Back

Subtract 5 from each side.

Front

What is the solution to the equation 2(x - 3) = 8?

Back

x = 7.

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the definition of an equation?

Back

A mathematical statement that asserts the equality of two expressions.