2nd 9 weeks test study guide

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is given by the formula: \( \text{Area} = \frac{1}{2} \times \text{base} \times \text{height} \)

Front

What is the result of the expression 2 - 4?

Back

The result of the expression 2 - 4 is -2.

Front

What does the inequality s + 9 ≥ -25 represent?

Back

The inequality can be solved to find that s ≥ -34.

Front

What is the sum of -\frac{1}{2} and -\frac{1}{4}?

Back

The sum is -\frac{3}{4}.

Front

What is the formula for the area of a circle?

Back

The area of a circle is given by the formula: \( \text{Area} = \pi r^2 \) where r is the radius.

Front

What is the value of \( \pi \) approximately?

Back

The value of \( \pi \) is approximately 3.14.

Front

How do you find the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: \( \text{Area} = \text{length} \times \text{width} \)

Front

What is the result of the expression 5 + 3 - 10?

Back

The result of the expression 5 + 3 - 10 is -2.

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

Front

What does it mean to solve an inequality?

Back

To solve an inequality means to find the values of the variable that make the inequality true.