5B- 1st Semester Exam

Front

Simplify the expression: 2x² + 10x + 5x² + 25x

Back

7x² + 35x

Front

Describe the correlation shown in a graph that increases steadily from left to right.

Back

Strong Positive

Front

Simplify the expression: y² + 4xy + 4x + 5y² - 2xy - 2x

Back

6y² + 2xy + 2x

Front

Determine if the number 0.141414141414... is rational or irrational.

Back

Rational

Front

Solve for y: y - 4.6 = 12

Back

16.6

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 definition of a polynomial?

Back

A polynomial is a mathematical expression consisting of variables, coefficients, and non-negative integer exponents.

Front

What is the degree of the polynomial 3x² + 2x + 1?

Back

The degree is 2.

Front

What is the process of combining like terms in an expression?

Back

Combining like terms involves adding or subtracting coefficients of terms that have the same variable raised to the same power.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.