NC Check in 2 Review

Front

What is the result of -12n - (-13n)?

Back

n

Front

What is the value of -1 5/16?

Back

1 5/16

Front

Which expression represents the perimeter of a triangle with sides 4x, 4y, and 5?

Back

4x + 4y + 5

Front

If each lap around Spring Reservoir is 2 3/8 miles long, how far does Terrance walk after 2 1/2 laps?

Back

5 15/16 miles

Front

Which expression represents the area of a rectangle with length 2x and width 3?

Back

2x^2 + 3x

Front

What is the formula for the perimeter of a rectangle?

Back

P = 2(length + width)

Front

What is the formula for the area of a rectangle?

Back

A = length × width

Front

What does 'simplifying an expression' mean?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What is a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the distributive property?

Back

a(b + c) = ab + ac