Algebra

Unit 1,2

100

Find the x and y intercepts of: 5x-9y=45

x int: (9,0)

y int: (0, -5)

200

Is this a function? Why or why not: 

(3,5) (-2,6) (4, 6) (3,2) (9,0)

No, the x is repeated

300

Graph | 1 + 2m | < 5

AND 

| 12k -82 | < -123

ask ms Repkin

400

Write an equation of a line with the x intercept of 6 and a y intercept of -13

y=13/6x-13

500

Write an equation of the line throuth (-3, 15) that is perpendicular to 5x-14y=23

y=-14/5x+33/5

Unit 3,4

100

Solve the system: 

4x+3y=31

y=2x+7

(1,9)

200

Solve the system 

3/2x-y=3

3x-2y=12

No solutions

300

(a²b³)⁴/(a⁵b⁶)⁷

1/a²⁷b³⁰

400

256=2^2x+3

5/2

500

challenge: solve the system. There are 4 answers!

x²+y²=4

-x+y²=4

(0,2), (0, -2), (root3, -1) (-root3, -1)

Unit 5

100

Write an example of a Quadratic Trionomial, a Linear binomial, and a quintic polynomial

answers may vary

200

Distribute: (x²-4x+5)(5x²+3x-4)

5x⁴-17x³+9x²+31x-20

300

solve for n:   n(n-4)+n(n+8)=n(n-13)+n(n+1) +16

n=1

400

Solve by completing the square. Must show work  x²+8x+9=0

root7 - 4, -root7-4

500

Factor 10y²-31y+15

(5y-3)(2y-5)

Unit 6

100

Find the midpoint of (2,-3) and (-6,9)

(-2,3)

200

If a right triangle has the legs of 30 and 40, what is the hypotenuse

50

300

Add: 3root5+7root125-2root45

32root5

400

Solve for p:

p-3=root(5p-15)

8,3

500

Simplify: 

(3+root2)/(2+root6)

(10-5root6)/-2

Unit 7/Random

100

Define excluded value and roots. When and how do you find them. 

Excluded value: Do before you simplify, what makes the denom=0 and the function undefined

root: do after you simplify, what makes num=0. What makes the funciton equal to 0

200

Using inverse functions if x=8 when y=10, what does x= when y=-4

-20

300

 Draw a quick sketch of y=9(x+2)²-8

Describe the transformations

Stretched by a factor of 9, left 2, up 9

400

Sketch an exponential graph, then sketch a square root graph. Which one has a domain of negative infinity to positive infinity

exponential

500

As a group, sing the quadratic formula song. Then spin around 3 times and say 10 digits of pi

:)