Math

Slope

100

What is slope?

Rise / Run 

200

Slope for points (4, 9) (2, 6) 

(Y2 - Y1)   6 - 9 = -3           What is m= +3/2

(X2 - X1)   2 - 4 = -2

300

Negative Slope

What is a decreasing line?

400

m = 3      b=4 

What is the slope and y intercept for this equation?

y=3x + 4 

500

21x - 7y  = 14  Find the slope and y-intercept.

What is slope = 3  y-intercept = -2

Rate of Change

100

Rate of change = _________

What is slope? 

200

Rate of Change = ___       Initial Value = ___

X	Y
1	7
2	10
3	13
4	15

                          

What is rate of change = 3/1 or 3

           initial value = 4 

300

Equation for ____

X	Y
5	6
10	9
15	12
20	15

What is y = 3/5x + 3

400

y = 7 

What is a horizontal line the passes through through 7 on the y axis?  

Transformations

100

"Flip" over an axis

What is a reflection?

200

Spin around a given point 

What is rotation? 

300

Slide to another position. 

What is a translation? 

Scientific Notation

100

Standard Form for  3.4 x 10⁵ .

What is 340,000.

200

Scientific Notation for 0.000056

What is 5.6 x 10^-5 ?

300

(2.4 x 10³⁾  +  (8.7  x 10⁵⁾ =_________

What is (0.024 + 8.7) + 10⁵ = 8.724 x 10⁵

400

( 9 x 10³)(4 x 10⁵)

What is (9x4)(10³ x 10⁵) = 36 x 10 ^{3 + 5} = 36 x 10⁸

500

Why do we use scientific notation? 

Scientific Notation was developed in order to easily represent numbers that are either very large or very small.  

Pythagorean ThermWh

100

a² + b²  = c²  

What is the Pythagorean Theorem for right triangles?

200

a²  +  b² = c²     c is the______________

What is the hypotenuse?  Opposite side from the right angle of a triangle.  

300

6² + 8²  = c²       c = ______

6² + 8² = c²

36 + 64 = c²

100 = c²            10 = c  

400

a² + 12² = 13²    a = ____

a² + 144 = 169

      - 144= -144

a² +   0   = 25

a  =  5

500

How can you use the Pythagoream's Theorem? 

Construction - finding a perfect right angle

Navigation  - Ocean mapping

To find the slope of a hill.