Math 8 PA PSSA Final Review 2022

Front

What is the equation of a line that passes through the points (-1,12) and (3,-4)?

Back

Front

How do you find the length of each side of a square patio with an area of 300 square feet?

Back

Each side is found by taking the square root of the area: \( \sqrt{300} \approx 17.3 \) ft.

Front

What transformations can map quadrilateral ABCD onto quadrilateral A'B'C'D'?

Back

A dilation centered at the origin with a scale factor of 0.5, followed by a reflection across the y-axis.

Front

What is the equation that represents the total cost y for buying x DVDs at $2.75 each?

Back

Front

What is a function?

Back

A function is a relation where each input has exactly one output.

Front

What is the slope-intercept form of a linear equation?

Back

Front

How do you determine if a relation is a function?

Back

A relation is a function if no two ordered pairs have the same first element.

Front

What is the area of a square?

Back

The area of a square is calculated as side length squared: \( A = s^2 \).

Front

What is the formula for the slope between two points (x1, y1) and (x2, y2)?

Back

The slope is given by \( m = \frac{y2 - y1}{x2 - x1} \).

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that the line is decreasing as it moves from left to right.