Retro Flashcardizz # 12 - Pre-Algebra Math 8

Front

What is the formula for the area of a triangle?

Back

Area of a triangle = 1/2 * base * height (A = 1/2 bh)

Front

What is the formula for the area of a rectangle?

Back

Area of a rectangle = length * width (A = LW)

Front

How do you solve the equation 2x - 3 + 4x = 27?

Back

Combine like terms: 6x - 3 = 27; then add 3 to both sides: 6x = 30; divide by 6: x = 5.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What is the process to order fractions from least to greatest?

Back

Convert all fractions to a common denominator or to decimal form, then compare.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is the solution to the equation 18 = 3(3x - 6)?

Back

x = 4.

Front

What does it mean for a number to be classified as 'real'?

Back

Real numbers include all rational and irrational numbers, representing all points on the number line.

Front

What is the value of 5/9 in terms of classification?

Back

5/9 is classified as a rational and real number.

Front

How do you simplify the expression 3(3x - 6)?

Back

Distribute: 9x - 18.