Algebraic Rules by Denisse Monte

Which algebraic rule will produce a translation that is 5 units to the right?

• (x, y)  --> ( x ,  y + 5)

• (x, y)  --> (  x-5 ,  y + 5)

• (x, y)  --> (  x-2 ,  y + 5)

• (x, y)  --> (  x+5 ,  y)

A point is located at (7,-9) and is reflected across the y-axis.  Which algebraic representation shows this transformation?

The triangle was reflected across the y-axis.  Which algebraic representation best describes this transformation?

A coordinate is located at (-7,-8) and is reflected across the x-axis.  Which algebraic representation best represents this transformation?

Choose the algebraic expression that matches the verbal phrase.

• A) x + y

• B) x - y

• C) x * y

• D) x / y

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

The equation for the table below is y=2x+5, fill in the missing values.

c

d

e

f

-1

7

0

9

3

4

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

​ (a)  

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

The triangle was reflected across the x-axis. Which algebraic representation best describes this transformation?

What is an example of the algebraic rule for a TRANSLATION?

• (3x, 3y)

• (x+3, y-2)

• (x, -y)

• (y, -x)