Math-6.EE.2 Standard Review

Front

What is the formula for calculating the area of a circle?

Back

A = πr², where A is the area, π is approximately 3.14, and r is the radius.

Front

If a circle has a radius of 4 feet, what is its area?

Back

The area is 50.24 square feet, calculated using A = π(4)².

Front

What does the term 'coefficient' refer to in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.

Front

In the expression 6 + 7x², what is the coefficient of x²?

Back

The coefficient of x² is 7.

Front

What does the expression 10 + 3x represent in words?

Back

It represents '10 more than 3 times a number'.

Front

How do you interpret the expression (7 - 4)w?

Back

It describes 'the difference of 7 and 4 multiplied by w'.

Front

What is the value of π (pi) used in calculations?

Back

π is approximately equal to 3.14.

Front

What is the significance of the radius in calculating the area of a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference, and it is squared in the area formula.

Front

What is the difference between a variable and a constant in algebra?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value.

Front

How do you evaluate the expression 5x + 2 when x = 3?

Back

Substituting x with 3 gives 5(3) + 2 = 15 + 2 = 17.