pm review week 3

Absolute Values

Multiple Choice

• 4/5

• 3/4

• 3/1

• 1/3

Multiple Choice

Which number line shows 1/2

• A

• B

• C

• D

Multiple Choice

Label Point C

• 5/6

• -2/6

• -2/3

• -1/2

Multiple Choice

Penny and her cousins each have a different bank balance. What is the sum of all the accounts?

• -3

• 7

• -2

• 4

Multiple Choice

Which point is 7/8?

• Point C

• Point D

• Point E

• Point F

Multiple Choice

What would the problem look like for this distance?

• $$\left|-2-6\right|$$

• $$-2-6$$

• $$-2+6$$

• $$\left|-2+6\right|$$

Distance on a number line

• Distance is always positive so we have to use absolute values to answer

• To find distance we subtract one point from the other

• Once completed you will change your answer to a positive

Multiple Choice

What would the problem look like for this distance?

• $$\left|-2-6\right|$$

• $$-2-6$$

• $$-2+6$$

• $$\left|-2+6\right|$$

Multiple Choice

What is the solution?

• -8

• 8

• 4

• -4

Multiple Choice

What would the distance problem look like?

• $$9+\left(-7\right)$$

• $$9-7$$

• $$\left|9-\left(-7\right)\right|$$

• $$\left|9-7\right|$$

Multiple Choice

What is the solution?

• 2

• -2

• 16

• -16

Multiple Choice

What is the distance problem?

• $$\left|5+1\right|$$
  

• $$\left|1-5\right|$$

• $$1-5$$

• $$5-1$$

Multiple Choice

Solve the distance.

• 6

• -6

• 4

• -4

Multiple Choice

What is the distance problem?

• $$\left|-18-4\right|$$

• $$\left|-4-18\right|$$

• $$\left|-4-\left(-18\right)\right|$$

• $$-18-\left(-4\right)$$

The 4 Quadrants

• Quadrant I = (+, +)

• Quadrant II = (-, +)

• Quadrant III = (-, -)

• Quadrant IV = (+, -)

Multiple Choice

Where is point A located?

• (2,4)

• (-2,4)

• (4,2)

• (4,-2)

Multiple Choice

Where is point D located?

• (4,2)

• (4,-2)

• (-2,4)

• (-2,-4)

What do you see when you look in the mirror???

Think of opposites

Multiple Choice

Name is the ordered that is a reflection of (4,-8) across the x-axis.

• (4, -8)

• (-4,8)

• (4,8)

• (-4,-8)

Multiple Choice

Name is the ordered that is a reflection of (-2,8) across the y-axis.

• (-2, -8)

• (-2,8)

• (-2,-8)

• (2,8)

​Ordered pairs can be reflected over the x or y axis to create a mirror image.

​When a point is reflected over the x-axis, it appears to move up or down.

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​When a point is reflected over the y-axis, it appears to move left or right.

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Multiple Choice

Which axis is the line of reflection?

• x-axis

• y-axis

Multiple Choice

Which axis is the line of reflection?

• x-axis

• y-axis

Multiple Choice

Which axis is the line of relfection?

• x-axis

• y-axis

​a. What is the line of reflection?

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​b. What quadrant is the pre-image?

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​c. What quadrant is the new image?

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​d. What do we notice about the ordered pairs?

Multiple Choice

What is the reflection of R (-1, 6) over the y-axis?

• R'(1, 6)
• R'(6, 1)
• R' (-1, 6)
• R' (-6, 1)

Multiple Choice

What is the reflection of F (3, 4) over the x-axis?

• F (-3, -4)
• D' (3, -4)
• D (-3, 4)
• D (4, 3)

Multiple Choice

Reflect (6, -3) over the line x-axis.

• (6, 3)
• (-6, -3)
• (-3, 6)
• (3, -6)