CR: Retake unit 4/5

Front

Solve for x: 2x + 4 = 28

Back

x = 12

Front

Solve for n: 5n + 4 = -1

Back

n = -1

Front

Identify the inequality graphed: y < 2x + 2

Back

y < 2x + 2

Front

The perimeter of a triangle is 66 inches. If two sides are 20 inches and 31 inches, what is the value of x?

Back

x = 15 inches

Front

Solve: -5|x - 4| > -20

Back

x < 8 and x > 0

Front

What is the definition of an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.