Understanding the Expression 4n - 9

The video tutorial explains how to complete a table of values by calculating outputs using the expression 4n - 9 for given inputs n. It demonstrates the process step-by-step for inputs n=0, n=1, n=2, and n=3, showing how to substitute the input into the expression and simplify it to find the corresponding output.

What is the expression used to find the output in the table of values?

• 2n - 7

• 5n + 2

• 4n - 9

• 3n + 5

What is the first step in finding the output for a given input n?

• Substitute n into the expression

• Multiply n by 4

• Add 9 to n

• Divide n by 4

What is the output when n = 0?

• -1

• 9

• -9

• 0

How do you simplify the expression 4n - 9 when n = 0?

• 4 times 0 plus 9

• 4 times 0 minus 9

• 4 plus 0 minus 9

• 4 minus 0 plus 9

What is the output when n = 1?

• 1

• 5

• -5

• -1

What is the result of 4 times 1 minus 9?

• -1

• 5

• -5

• 4

What is the output when n = 2?

• 0

• -2

• -1

• 1

How do you simplify the expression 4n - 9 when n = 2?

• 4 plus 2 minus 9

• 4 minus 2 plus 9

• 4 times 2 minus 9

• 4 times 2 plus 9

What is the output when n = 3?

• 3

• -3

• 6

• 0

What is the result of 4 times 3 minus 9?

• 9

• 12

• 0

• 3