Semester 1 Final

Front

In the equation 4y + 7 = 21, what is y?

Back

Variable: A symbol used to represent an unknown value in mathematical expressions.

Front

What is a reflection in geometry?

Back

Reflection: A transformation that flips or mirrors an object across a line.

Front

Solve for x: 2x + 8 = 3x - 4

Back

x = 12

Front

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

Back

Translated 8 units down and 5 units to the right.

Front

Calculate: -4(-5)

Back

20

Front

What is a coefficient in an equation?

Back

Coefficient: A numerical factor in a term of an algebraic expression.

Front

What does it mean to translate a shape in geometry?

Back

Translation: Moving a shape from one position to another without changing its size or orientation.

Front

What is the term for the highest power of a variable in a polynomial?

Back

Degree: The highest exponent of the variable in a polynomial.

Front

What is the formula for the area of a trapezoid?

Back

Area = (1/2) * (Base1 + Base2) * Height.

Front

What is the definition of a term in algebra?

Back

Term: A single mathematical expression that can be a number, variable, or the product of numbers and variables.