Math Midterm

Front

What is a reflection of a point across the y-axis?

Back

To reflect a point (x, y) across the y-axis, change the sign of the x-coordinate. The new point will be (-x, y).

Front

What is the ordered pair for the reflection of (–5, 7) across the y-axis?

Back

(5, 7)

Front

What is the product of 431 and 17?

Back

7,327

Front

What is the ordered pair for the reflection of (–4, 6) across the y-axis?

Back

(4, 6)

Front

How do you determine the maximum number of recipes that can be made with a given amount of an ingredient?

Back

Divide the total amount of the ingredient by the amount required for one recipe.

Front

If Steve has 2 1/2 cups of flour and each recipe requires 1/8 cup, how many recipes can he make?

Back

20

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for finding the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is the definition of an ordered pair?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written as (x, y).

Front

What does it mean to reflect a point in geometry?

Back

To reflect a point means to create a mirror image of that point across a specific line, such as the x-axis or y-axis.