8th grade math

lines

100

how do you write a point on the graph?

(x,Y)

200

5=2x-100 is going in what direction?

up 

300

What makes a line linear?

if it has a consistent slope

400

What makes a line a function?

Every x value has only one y?

500

what is y=1/12x+7/3

(-4,2), (8,3)

transformation

100

what is reflection?

This transformation is like a mirror

200

This transformation moves a shape without rotating it or changing its properties

What is translation?

300

This transformation turns a shape on its axis

What is a rotation?

400

Is dilation a rigid transformation (true/false)

false

500

Where will triangle (-5,3), (2,3), (6,7) be after a translation over the x axis and a dilation of 1/3

(−5/3,−1)

(2/3,−1)

(2,−7/3)

equations

100

3x+4=13

x=3

200

5x+8=33

x=5

300

2(-5x+8)=58

x=5

400

3(-7x+3)=72

x=-3

500

{2x+y=7 

{x-y=1

What is x=2 y=3

rational numbers

100

is 3 a rational number?

Yes (3/1)

200

Is 1.77777777777 repeating rational?

Yes (1+ 7/9)

300

is pi a rational number?

No. (3.141592654...)

400

is radical 7 a rational number?

No

500

Are all integers rational? 

Yes

vocab

100

what is PEMDAS?

Parenthesis, exponents, multiplication, division, addition, subtraction

200

what is slope intercept form?

y=Mx+B

300

^{what is the pythagorean theorem?}

A²+B²=C²

400

What is the hypotenuse?

The opposite side of the right angle of a right triangle?

500

What is Point-slope form?

 y-y₁=m(x-x₁)