1A- 1st Semester Exam

Front

What is the simplified form of the expression: y^2 + 4xy + 4x + 5y^2 - 2xy - 2x?

Back

6y^2 + 2xy + 2x

Front

If y - 4.6 = 12, what is the value of y?

Back

16.6

Front

What does it mean if a scatter plot shows no correlation between variables?

Back

It means there is no relationship between the two variables.

Front

How can the expression '5x + 2' be represented in words?

Back

The sum of five times a number x and two.

Front

What is the graph of the linear inequality y >= \frac{3}{2}x - 5?

Back

The graph includes the line y = \frac{3}{2}x - 5 and the area above it.

Front

What is a linear inequality?

Back

An inequality that involves a linear expression, such as y < mx + b.

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are constants.

Front

What does it mean for a correlation to be strong positive?

Back

As one variable increases, the other variable also increases significantly.

Front

What is the formula for the slope of a line?

Back

Slope (m) = \frac{y_2 - y_1}{x_2 - x_1}.