Quarter 2 QSE Review

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Front

Which set of sides forms a right triangle?

Back

The sides 5, 12, and 13 form a right triangle.

Front

What is a function in mathematics?

Back

A function is a relation where each input (x-value) has exactly one output (y-value).

Front

How can you determine if a relation is a function?

Back

A relation is a function if no x-value is paired with more than one y-value.

Front

What does it mean if a graph is not a function?

Back

If a graph is not a function, it means that at least one x-value is paired with multiple y-values.

Front

What is the equation that represents Diana's coffee spending?

Back

The equation is y = -4.25x + 75, where y is the amount left on the gift card after x cups of coffee.

Front

What is the slope in the equation y = -4.25x + 75?

Back

The slope is -4.25, indicating that for each cup of coffee Diana buys, her balance decreases by $4.25.

Front

What is the y-intercept in the equation y = -4.25x + 75?

Back

The y-intercept is 75, representing the initial amount on the gift card.

Front

What is the difference between a function and a non-function?

Back

A function has one output for each input, while a non-function has at least one input with multiple outputs.

Front

What is an example of a non-function?

Back

An example of a non-function is the relation {(1, 2), (1, 3)}, where the input 1 has two different outputs.