Ch 5 Test Review Practice - PreAlg

Front

What is the formula to find the perimeter of a triangle?

Back

The perimeter of a triangle is found by adding the lengths of all three sides: P = a + b + c.

Front

If the cost of gas is $1.75 per gallon, how do you express the cost of g gallons in an inequality if it is more than $30?

Back

The inequality is expressed as 1.75g > 30.

Front

What is the perimeter of a triangle with sides measuring 11 feet, 15 feet, and 23 feet?

Back

The perimeter is 49 feet.

Front

What does it mean if the perimeter of a shape is 36 feet and the area is 96 square feet?

Back

This statement is false; a shape with these dimensions cannot exist.

Front

Back

To solve, multiply both sides by -3.2 (remember to flip the inequality): x > 60.8.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

Front

What is the difference between perimeter and area?

Back

Perimeter is the total distance around a shape, while area measures the space inside a shape.

Front

How do you find the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length by its width: A = length × width.

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is A = (base × height) / 2.

Front

What does it mean to solve an inequality?

Back

Solving an inequality means finding all values of the variable that make the inequality true.