Midterm Math 8 Ch 1 - 5 (2023)

Front

What is the cost of a phone call for the first minute and each additional minute?

Back

The first minute costs 25¢, and each additional minute costs 15¢.

Front

How do you calculate the perimeter of a triangle?

Back

Add the lengths of all three sides of the triangle.

Front

Solve for t: 6t + 4 ≤ -2

Back

t ≤ -1

Front

What is the ratio of the perimeter of red to blue if the perimeter of red is 11 and blue is 6?

Back

The ratio is 11/6.

Front

Solve the inequality: -2(x + 2) < 14

Back

x > -9

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What does it mean for two numbers to be in a ratio?

Back

A ratio compares two quantities, showing the relative size of one quantity to another.

Front

How do you convert a decimal to a fraction?

Back

Divide the decimal by 1, then multiply the numerator and denominator by 10 for each digit after the decimal.

Front

What is the definition of an inequality?

Back

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

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.