Algebra I Unit 2: Equations, Systems, and Inequalities

Slippery Slope

100

As a line goes left to right, it will point ______ if it has a positive slope and ______ if it has a negative slope

As a line goes left to right, it will point UP if it has a positive slope and DOWN if it has a negative slope

200

What is the slope and y intercept?

y=-1/2x+4

Slope = -1/2

Y intercept = 4

300

What is the slope and y intercept? 

1/3y=x+10

Slope = 3

Y intercept = 10

400

What is the slope and y intercept?

4/4y=-1/10x

 

Slope = -1/10

Y intercept = 0

500

What is the slope and y intercept?

3y=2x+12

Slope = 2/3

Y intercept = 4

600

What is the slope and y intercept?

4x+5y=20

Slope = -4/5

Y intercept = 4

800

What is the slope and y intercept?

7x-2y=14

Slope = 7/2

Y intercept = -7

1000

What is the slope and y intercept?

3/4x-2/3y=5/6

Slope = 9/8

Y intercept = -5/4

Nervous Systems

100

{(y,=,-2x,+,8), (x,-,3y,=,4):}

(4, 0)

200

{(y=-x+12),(5x-y=12):}

(4,8)

300

{(y=-2x),(x+6y=11):}

(-1, 2)

400

{(12x,+,-5y,=,-,20), (-x,+,y,-,4=,0):}

(0, 4)

500

{(1/3y=-1/2x+3),(2/3x+1/4y-4=0):}

(6, 0)

600

{(2/5x,+,3/4y,=,7), (4/7x,+,1/6y,=,2):}

(70/13, 84/13)

800

{(2(x+35/7y+5)-3y=2y-10), (27/9x=2(y+4)):}

(0, -4)

1000

The soccer team is hosting a bake sale to fundraise. Maisy buys 3 cookies and 1 brownie for a total of $6.50. Sawyer buys 2 cookies and 24 brownies for $51.How much does 1 cookie and 1 brownie cost?

A cookie costs $1.50 and a brownie costs $2. 

{(3c+b=6.5), (2c+24b=51):}

Wild Card

100

What is the order of operations?

Parentheses Exponents Multiplication/Division and Addition/Subtraction

200

What is the name of the data distribution that is symmetric and has the same amount of data for each value?

Uniform

300

{(y,=,x,-,1), (x,+,15y,=,1):}

(3, 2)

400

How many points are quiz and test questions typically in Mr. Gardner's class?

Quizzes 2 Tests 4

500

Sophie Germain wrote an equation that modeled what?

Vibrations

600

Calculate the mean of the following dataset

{7, 10, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 15, 18}

12.5

800

4((3/4(7-2/3)+5/2/(1+1/4))-22(1/4))

1

1000

What are the names of Mr. Gardner's cats

Cayenne and Guadalupe (or Caye and Lupe)

Any Qualities

100

x+8≥18

x≥ 10

200

n/5 ≤ -2

n≤-10

300

14x≤14

x≤1

400

-8x<-80+2x

x>8

500

2x-5x> -9

x<3

600

-11≥6-2x-5

x≥6

800

30-6x<-3(5+7x)

x<-3

1000

The school band is selling tickets to fundraise for band camp. They are hoodies and t-shirts. The hoodies are $25 each and the t-shirts are $5 each. Mrs. Macke says she wants to raise more than $250. Write the inequality that represents this.

25h+5t>250

X-perts

100

3x+4=19

x=5

200

2x-7=5x+3

x=-10/3

300

4a-2(3a-1)=10

a=-4

400

2/3x-5=x+1/2

x=-33/2

500

2(x+3)-4=-(-5x+1)

x=1

600

x/3-1/6(x+1)=-x

x=1/7

800

(2(x+10))/5-16+8x=-4(3-2x)

x=0

1000

2(2x-4)+18/9x=2((12x-8)/4)-4

Infinitely many solutions