8th Grade Math Review Flashcard #1

Front

Solve for x: 4x + 3 = -5

Back

x = -2

Front

Identify the equation: 5x - 3y, 1/2a + 117, -2z, 15k - 2 = 28

Back

15k - 2 = 28

Front

What type of angles are formed when two lines intersect and are opposite each other?

Back

Vertical angles

Front

Categorize the slope of the line: y = -3x + 2

Back

Negative

Front

Which of the following numbers is irrational? √8, ¾, 2, -1.325

Back

√8

Front

What is the definition of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1)

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of a transversal and inside the two lines.

Front

What is the definition of 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 difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.