CPM Homework Help : AC Problem 4-7

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Home > AC > Chapter 4 > Lesson 4.1.1 > Problem 4-7

4-7.

Use your pattern-finding techniques to fill in the missing entries for the table below. Then find a rule for the pattern.

IN (x)

$4$

$8$

$3$

$-2$

$-6$

$0$

$5$

$7$

OUT (y)

$17$

$65$

$10$

$5$

$1$

$26$

Hint:

What is $4^2$ ?
What about $8^2$ ?
$3^2$ ?

More Help:

$17=4^2+1$
$65=8^2+1$
$10=3^2+1$
Can you follow the pattern?

Answer:

$y=x^2+1$

IN (x)

$4$

$8$

$3$

$-2$

$-6$

$0$

$5$

$7$

OUT (y)

$17$

$65$

$10$

$5$

$\mathbf{37}$

$1$

$26$

$\mathbf{50}$

Use the eTool below to help you find a rule for the pattern.
Click the link at right for the full version of the eTool: 4-7 HW eTool (Desmos)

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