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Front

What is the formula for evaluating a quadratic expression?

Back

A quadratic expression can be evaluated using the formula ax^2 + bx + c, where a, b, and c are constants.

Front

How do you substitute a value into an expression?

Back

To substitute a value into an expression, replace the variable with the given value and then simplify the expression.

Front

What is the value of the expression 2x + x^2 when x = 3?

Back

The value is 15.

Front

What is the value of the expression 2x^2 - 5y + 3 when x = 3 and y = 3?

Back

The value is 6.

Front

How do you evaluate the expression 30 - z when z = 31?

Back

Substituting z with 31 gives 30 - 31 = -1.

Front

What is the result of evaluating the expression 11m when m = 10?

Back

The result is 110.

Front

What is the difference between a linear expression and a quadratic expression?

Back

A linear expression has a degree of 1, while a quadratic expression has a degree of 2.

Front

What does it mean to evaluate an expression?

Back

Evaluating an expression means to calculate its value by substituting the variables with specific numbers.

Front

What is the significance of the coefficients in a polynomial expression?

Back

Coefficients are the numerical factors that multiply the variables in a polynomial expression, determining the shape and position of the graph.

Front

How do you simplify an expression?

Back

To simplify an expression, combine like terms and perform any arithmetic operations.