Review Ch 1-4

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

How do you convert a decimal to a percent?

Back

Multiply the decimal by 100 and add a percent sign.

Front

What is the distributive property in mathematics?

Back

a(b + c) = ab + ac.

Front

Evaluate: 7 x (4 + 1) - 7 x 2

Back

21.

Front

What is the area of a shaded region if the total area is 120 m² and the unshaded area is 14 m²?

Back

106 m².

Front

How do you find the missing side of a triangle if two sides are known?

Back

Use the Pythagorean theorem: a² + b² = c².

Front

What is the expression for -4(2m - n)?

Back

-8m + 4n.

Front

How do you simplify the expression 3(x + 4)?

Back

3x + 12.

Front

What is the value of 5²?

Back

25.

Front

How do you solve for x in the equation 2x + 3 = 11?

Back

x = 4.