Topic 2 Plus

Integer

All whole numbers and their opposites

Opposite

Numbers that are an equal distance from zero

0

Neither positive or negative / Sealevel

What is the opposite of 5?

-5

What is the value of -(-8)

8

What is the opposite of -(-10)

-10

Which integer has a greater value? -12 or -(-10)

-(-10)

Which integer has a greater value? -22 or -25?

-22

Order from least to greatest temperature 4, -5, -7, 7

-7-5,4,7

Below sea level would be described with what types of numbers?

Negative

Rational Numbers

Can be made by dividing two integers. They terminate or repeat as decimals.

Write -1.2 as a simplified fracation

-1 1/5

Use an inequality sign to compare -1.44 ____ -1 1/4

<

Use an inequality sign to compare -2/3____ 0.8

<

Order from least to greatest -4/5 , -1/2, 0.25, -0.2

-4/5, -1/2, -0.2, 0.25

What is the least number of points you must plot to have examples of all four sets of numbers, including at least one positive and one negative integer?

2

Numbers that are further left on the number line

are smaller

Numbers that are further right on the number line

are larger

-8 - 10

-18

The change in stock price is shown as -5.9. What does that mean?

The stock price dropped in value

I -5 I

5

I -4I

4

Account A has -60

Account B has -25

Account C has -35

Which account is in greater debt?

A

Louise -56.84

Frank 28.96

Hannah 89.12

3 friends have been using new bank accounts. Who had the greatest change in their bank account?

Hannah

Absolute value should be treated as…..

Grouping symbols

I x I = 9

9 or -9

What is the distance from (-9,6) and (12,6)

21

How many sections in a coordinate plane with using the Z axis?

8

The longest side of a right triangle

Hypotenuse

You use the distance formula to find the distance between ?

diagonal points

Pythagorean Theorem

a²+b²=c²

Peri-

around

What can never be negative?

Distance

What is the distance between ( 4,10) and (7,14)

5

A polygon with two sets of parallel sides

Parallelogram

Quadrant II

( -, +)

Quadrant III

( -,-)

Quadrant IV

( +,-)

Quadrant I

(+,+)

Delta

Change

What is the square root of 81?

9

What is 7 squared?

49

If point ( 6,4) reflected across both Axis, what is it's new ordered pair?

(-6,-4)

I -14.5 - (-3.2) I - 14.6

-3.3

What is the ordered pair and quadrant for point F ?

( 1.5, -1.75) IV

meter

A device for measuring

A polygon with 3 sides

Triangle

A triangle with 2 equal sides

Isosceles

Vertex

A point in space

Net Yardage

Total Yardage

Credit

Positive balance that increases a bank account.

Debit

Negative balance that decreases a bank account.

Sigma

Greek letter for summation

X_i

Single data point

X bar

The mean

n

The number of data points

Mean Absolute Deviation

A measure of variability that represents the average distance of each data point from the mean.