NC Check In 3 Review

Front

What is the solution to the equation x - 32 = 49?

Back

x = 81

Front

What does t ≥ -4 represent in terms of temperature?

Back

Today's temperature will be at least -4 degrees.

Front

Calculate the area of rectangle PQRS with vertices at P(0, 2), Q(0, 10), R(4, 10), and S(4, 2).

Back

32 square units

Front

How do you express 'Four less than 9 times a number' mathematically?

Back

9x - 4

Front

What is the equation that represents the relationship in the table if y = x + 4?

Back

y = x + 4

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 does the equation y = mx + b represent?

Back

The slope-intercept form of a linear equation.

Front

What is the meaning of the term 'solution' in an equation?

Back

A value that makes the equation true.

Front

How do you solve the equation 9x - 4 = 176 for x?

Back

Add 4 to both sides, then divide by 9.