7th Grade Benchmark 2 Practice

Front

What is the formula to calculate the total cost of multiple bags of concrete mix?

Back

Total Cost = Price per Bag × Number of Bags

Front

How do you determine if a set of three lengths can form a triangle?

Back

Use the Triangle Inequality Theorem: The sum of the lengths of any two sides must be greater than the length of the third side.

Front

What does the expression $20h + 160$ represent in the context of a machine operator's earnings?

Back

It represents the total weekly earnings based on hourly wage ($20 per hour) and a weekly bonus ($160).

Front

What is the relationship between the angles in a right angle?

Back

The sum of the angles that form a right angle is 90 degrees.

Front

What is the area of a rectangle?

Back

Area = Length × Width.

Front

How can you simplify the expression 5x + x?

Back

Combine like terms: 5x + x = 6x.

Front

What is the value of x if two angles form a right angle and one angle is 77 degrees?

Back

x = 90 - 77 = 13 degrees.

Front

What does the expression 5(x + x) represent?

Back

It represents the area of a figure composed of two rectangles with a combined width of 2x.

Front

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

Back

Perimeter = 2(Length + Width).

Front

What is the significance of the Triangle Inequality Theorem?

Back

It ensures that a triangle can exist with given side lengths.