8th grade math semester review

Front

When you translate, (x+2,y) will move _____?

Back

2 units right.

Front

The formula for slope has _____ on bottom?

Back

x₂ - x₁.

Front

What number is an irrational number?

Back

Square root of 50.

Front

The formula for slope has _____ on top?

Back

y₂ - y₁.

Front

What is the Angle Relationship?

Back

Vertical.

Front

What is the formula for the slope of a line?

Back

m = (y₂ - y₁) / (x₂ - x₁).

Front

What does it mean for two angles to be vertical?

Back

They are opposite angles formed by two intersecting lines.

Front

What is the definition of an irrational number?

Back

A number that cannot be expressed as a fraction of two integers.

Front

What is the distance formula?

Back

d = √((x₂ - x₁)² + (y₂ - y₁)²).

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.