8-4 Test Prep

What is the first step in evaluating an expression for given variable value?

• Calculate all of the exponents.
• Apply the order of operations to each part of the expression.
• Substitute the given values for the corresponding variables.
• Find the value of the expression.

Match the expression and its value to the value of x that gives the expression that value.

• x=2
• x=3
• x=4
• x=5

Match the expression and its value to the value of x that gives the expression that value.

• x=2
• x=3
• x=4
• x=5

Match the expression and its value to the value of x that gives the expression that value.

• x=2
• x=3
• x=4
• x=5

Write a numerical expression to represent the phrase "the sum of 25 and a number, n"